Implemented template crud, db entities, import/export, ptero and pelican import

Hosts/MoonlightServers.Api.Host/MoonlightServers.Api.Host.csproj

@@ -8,9 +8,9 @@
 
     <ItemGroup>
 
-        <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="10.0.1"/>
+        <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="10.0.3"/>
 
-        <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.1">
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.3">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>

Hosts/MoonlightServers.Frontend.Host/MoonlightServers.Frontend.Host.csproj

@@ -8,8 +8,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.1"/>
+        <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.3"/>
-        <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="10.0.1" PrivateAssets="all"/>
+        <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="10.0.3" PrivateAssets="all"/>
         <PackageReference Include="SimplePlugin" Version="1.0.2"/>
         <PackageReference Include="SimplePlugin.Abstractions" Version="1.0.2"/>
     </ItemGroup>

Hosts/MoonlightServers.Frontend.Host/Styles/styles.css

@@ -7,13 +7,13 @@
 
 @source "../bin/Moonlight.Frontend/*.map";
 
-@source "../../../Moonlight.Api/**/*.razor";
+@source "../../../MoonlightServers.Api/**/*.razor";
-@source "../../../Moonlight.Api/**/*.cs";
+@source "../../../MoonlightServers.Api/**/*.cs";
-@source "../../../Moonlight.Api/**/*.html";
+@source "../../../MoonlightServers.Api/**/*.html";
 
-@source "../../../Moonlight.Frontend/**/*.razor";
+@source "../../../MoonlightServers.Frontend/**/*.razor";
-@source "../../../Moonlight.Frontend/**/*.cs";
+@source "../../../MoonlightServers.Frontend/**/*.cs";
-@source "../../../Moonlight.Frontend/**/*.html";
+@source "../../../MoonlightServers.Frontend/**/*.html";
 
 @custom-variant dark (&:is(.dark *));
 

MoonlightServers.Api/Admin/Templates/CrudController.cs

@@ -0,0 +1,173 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Moonlight.Shared.Http.Requests;
+using Moonlight.Shared.Http.Responses;
+using MoonlightServers.Api.Infrastructure.Database;
+using MoonlightServers.Api.Infrastructure.Database.Entities;
+using MoonlightServers.Api.Infrastructure.Database.Json;
+using MoonlightServers.Shared;
+using MoonlightServers.Shared.Admin.Templates;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+[ApiController]
+[Route("api/admin/servers/templates")]
+public class CrudController : Controller
+{
+    private readonly DatabaseRepository<Template> DatabaseRepository;
+    private readonly DatabaseRepository<TemplateDockerImage> DockerImageRepository;
+
+    public CrudController(
+        DatabaseRepository<Template> databaseRepository,
+        DatabaseRepository<TemplateDockerImage> dockerImageRepository
+    )
+    {
+        DatabaseRepository = databaseRepository;
+        DockerImageRepository = dockerImageRepository;
+    }
+
+    [HttpGet]
+    [Authorize(Policy = Permissions.Templates.View)]
+    public async Task<ActionResult<PagedData<TemplateDto>>> GetAsync(
+        [FromQuery] int startIndex,
+        [FromQuery] int length,
+        [FromQuery] FilterOptions? filterOptions
+    )
+    {
+        // Validation
+        if (startIndex < 0)
+            return Problem("Invalid start index specified", statusCode: 400);
+
+        if (length is < 1 or > 100)
+            return Problem("Invalid length specified");
+
+        // Query building
+
+        var query = DatabaseRepository
+            .Query();
+
+        // Filters
+        if (filterOptions != null)
+        {
+            foreach (var filterOption in filterOptions.Filters)
+            {
+                query = filterOption.Key switch
+                {
+                    nameof(Template.Name) =>
+                        query.Where(role => EF.Functions.ILike(role.Name, $"%{filterOption.Value}%")),
+
+                    _ => query
+                };
+            }
+        }
+
+        // Pagination
+        var data = await query
+            .OrderBy(x => x.Id)
+            .ProjectToDto()
+            .Skip(startIndex)
+            .Take(length)
+            .ToArrayAsync();
+
+        var total = await query.CountAsync();
+
+        return new PagedData<TemplateDto>(data, total);
+    }
+
+    [HttpGet("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.View)]
+    public async Task<ActionResult<DetailedTemplateDto>> GetAsync([FromRoute] int id)
+    {
+        var template = await DatabaseRepository
+            .Query()
+            .Include(x => x.DefaultDockerImage)
+            .FirstOrDefaultAsync(x => x.Id == id);
+
+        if (template == null)
+            return Problem("No template with this id found", statusCode: 404);
+
+        return TemplateMapper.ToDetailedDto(template);
+    }
+
+    [HttpPost]
+    [Authorize(Policy = Permissions.Templates.Create)]
+    public async Task<ActionResult<TemplateDto>> CreateAsync([FromBody] CreateTemplateDto request)
+    {
+        var template = TemplateMapper.ToEntity(request);
+
+        // Fill in default values
+        template.LifecycleConfig = new()
+        {
+            StartupCommands = [
+                new StartupCommand
+                {
+                    DisplayName = "Default Startup",
+                    Command = "bash startup.sh"
+                }
+            ],
+            StopCommand = "^C",
+            OnlineLogPatterns = ["I am online"]
+        };
+
+        template.InstallationConfig = new()
+        {
+            DockerImage = "debian",
+            Script = "#!/bin/bash\necho Installing",
+            Shell = "/bin/bash"
+        };
+
+        template.FilesConfig = new()
+        {
+            ConfigurationFiles = []
+        };
+        
+        template.MiscellaneousConfig = new()
+        {
+            UseLegacyStartup = true
+        };
+
+        var finalRole = await DatabaseRepository.AddAsync(template);
+
+        return TemplateMapper.ToDto(finalRole);
+    }
+
+    [HttpPut("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.Edit)]
+    public async Task<ActionResult<DetailedTemplateDto>> UpdateAsync([FromRoute] int id, [FromBody] UpdateTemplateDto request)
+    {
+        var template = await DatabaseRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id);
+
+        if (template == null)
+            return Problem("No template with this id found", statusCode: 404);
+
+        TemplateMapper.Merge(template, request);
+
+        template.DefaultDockerImage = await DockerImageRepository
+            .Query()
+            .Where(x => x.Template.Id == id)
+            .FirstOrDefaultAsync(x => x.Id == request.DefaultDockerImageId);
+
+        await DatabaseRepository.UpdateAsync(template);
+
+        return TemplateMapper.ToDetailedDto(template);
+    }
+
+    [HttpDelete("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.Delete)]
+    public async Task<ActionResult> DeleteAsync([FromRoute] int id)
+    {
+        var template = await DatabaseRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id);
+
+        if (template == null)
+            return Problem("No template with this id found", statusCode: 404);
+
+        await DatabaseRepository.RemoveAsync(template);
+
+        return NoContent();
+    }
+}

MoonlightServers.Api/Admin/Templates/DockerImagesController.cs

@@ -0,0 +1,144 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Moonlight.Shared.Http.Responses;
+using MoonlightServers.Api.Infrastructure.Database;
+using MoonlightServers.Api.Infrastructure.Database.Entities;
+using MoonlightServers.Shared;
+using MoonlightServers.Shared.Admin.Templates;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+[ApiController]
+[Route("api/admin/servers/templates/{templateId:int}/dockerImages")]
+public class DockerImagesController : Controller
+{
+    private readonly DatabaseRepository<TemplateDockerImage> DockerImageRepository;
+    private readonly DatabaseRepository<Template> TemplateRepository;
+
+    public DockerImagesController(
+        DatabaseRepository<TemplateDockerImage> dockerImageRepository,
+        DatabaseRepository<Template> templateRepository
+    )
+    {
+        DockerImageRepository = dockerImageRepository;
+        TemplateRepository = templateRepository;
+    }
+
+    [HttpGet]
+    [Authorize(Policy = Permissions.Templates.View)]
+    public async Task<ActionResult<PagedData<DockerImageDto>>> GetAsync(
+        [FromRoute] int templateId,
+        [FromQuery] int startIndex,
+        [FromQuery] int length
+    )
+    {
+        // Validation
+        if (startIndex < 0)
+            return Problem("Invalid start index specified", statusCode: 400);
+
+        if (length is < 1 or > 100)
+            return Problem("Invalid length specified");
+
+        if (!await TemplateRepository.Query().AnyAsync(x => x.Id == templateId))
+            return Problem("No template with that id found", statusCode: 404);
+
+        // Query building
+
+        var query = DockerImageRepository
+            .Query()
+            .Where(x => x.Template.Id == templateId);
+
+        // Pagination
+        var data = await query
+            .OrderBy(x => x.Id)
+            .ProjectToDto()
+            .Skip(startIndex)
+            .Take(length)
+            .ToArrayAsync();
+
+        var total = await query.CountAsync();
+
+        return new PagedData<DockerImageDto>(data, total);
+    }
+
+    [HttpGet("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.View)]
+    public async Task<ActionResult<DockerImageDto>> GetAsync(
+        [FromRoute] int templateId,
+        [FromRoute] int id
+    )
+    {
+        var templateDockerImage = await DockerImageRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id && x.Template.Id == templateId);
+
+        if (templateDockerImage == null)
+            return Problem("No template or template dockerImage found with that id");
+
+        return TemplateMapper.ToDto(templateDockerImage);
+    }
+
+    [HttpPost]
+    [Authorize(Policy = Permissions.Templates.Create)]
+    public async Task<ActionResult<DockerImageDto>> CreateAsync(
+        [FromRoute] int templateId,
+        [FromBody] CreateDockerImageDto dto
+    )
+    {
+        var template = await TemplateRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == templateId);
+
+        if (template == null)
+            return Problem("No template with that id found", statusCode: 404);
+
+        var dockerImage = TemplateMapper.ToEntity(dto);
+
+        dockerImage.Template = template;
+
+        var finalDockerImage = await DockerImageRepository.AddAsync(dockerImage);
+
+        return TemplateMapper.ToDto(finalDockerImage);
+    }
+
+    [HttpPut("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.Edit)]
+    public async Task<ActionResult<DockerImageDto>> UpdateAsync(
+        [FromRoute] int templateId,
+        [FromRoute] int id,
+        [FromBody] UpdateDockerImageDto dto
+    )
+    {
+        var templateDockerImage = await DockerImageRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id && x.Template.Id == templateId);
+
+        if (templateDockerImage == null)
+            return Problem("No template or template dockerImage found with that id");
+
+        TemplateMapper.Merge(templateDockerImage, dto);
+
+        await DockerImageRepository.UpdateAsync(templateDockerImage);
+
+        return TemplateMapper.ToDto(templateDockerImage);
+    }
+
+    [HttpDelete("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.Delete)]
+    public async Task<ActionResult> DeleteAsync(
+        [FromRoute] int templateId,
+        [FromRoute] int id
+    )
+    {
+        var templateDockerImage = await DockerImageRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id && x.Template.Id == templateId);
+
+        if (templateDockerImage == null)
+            return Problem("No template or template dockerImage found with that id");
+
+        await DockerImageRepository.RemoveAsync(templateDockerImage);
+        return NoContent();
+    }
+}

MoonlightServers.Api/Admin/Templates/PelicanEggImportService.cs

@@ -0,0 +1,207 @@
+using System.Text;
+using MoonlightServers.Api.Infrastructure.Database;
+using MoonlightServers.Api.Infrastructure.Database.Entities;
+using MoonlightServers.Api.Infrastructure.Database.Json;
+using VYaml.Annotations;
+using VYaml.Serialization;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+public class PelicanEggImportService
+{
+    private readonly DatabaseRepository<Template> TemplateRepository;
+    private readonly DatabaseRepository<TemplateDockerImage> DockerImageRepository;
+
+    public PelicanEggImportService(
+        DatabaseRepository<Template> templateRepository,
+        DatabaseRepository<TemplateDockerImage> dockerImageRepository
+    )
+    {
+        TemplateRepository = templateRepository;
+        DockerImageRepository = dockerImageRepository;
+    }
+
+    public async Task<Template> ImportAsync(string content)
+    {
+        var egg = YamlSerializer.Deserialize<Egg>(Encoding.UTF8.GetBytes(content));
+
+        var template = new Template()
+        {
+            AllowUserDockerImageChange = true,
+            Author = egg.Author,
+            Description = egg.Description,
+            DonateUrl = null,
+            Name = egg.Name,
+            UpdateUrl = egg.Meta.UpdateUrl,
+            Version = "1.0.0",
+            FilesConfig = new FilesConfig()
+            {
+                ConfigurationFiles = egg.Config.Files.Select(file => new ConfigurationFile()
+                {
+                    Path = file.Key,
+                    Parser = file.Value.Parser,
+                    Mappings = file.Value.Find.Select(pair => new ConfigurationFileMapping()
+                    {
+                        Key = pair.Key,
+                        Value = pair.Value
+                    }).ToList()
+                }).ToList()
+            },
+            InstallationConfig = new InstallationConfig()
+            {
+                DockerImage = egg.Scripts.Installation.Container,
+                Script = egg.Scripts.Installation.Script,
+                Shell = egg.Scripts.Installation.Entrypoint
+            },
+            LifecycleConfig = new LifecycleConfig()
+            {
+                OnlineLogPatterns = egg.Config.Startup.Values.ToList(),
+                StopCommand = egg.Config.Stop,
+                StartupCommands = egg.StartupCommands.Select(x => new StartupCommand()
+                {
+                    DisplayName = x.Key,
+                    Command = x.Value
+                }).ToList()
+            },
+            MiscellaneousConfig = new MiscellaneousConfig()
+            {
+                UseLegacyStartup = true
+            },
+            Variables = egg.Variables.Select(variable => new TemplateVariable()
+            {
+                Description = variable.Description,
+                DisplayName = variable.Name,
+                DefaultValue = variable.DefaultValue,
+                EnvName = variable.EnvVariable
+            }).ToList()
+        };
+
+        var finalTemplate = await TemplateRepository.AddAsync(template);
+
+        var isFirst = true;
+        TemplateDockerImage? defaultDockerImage = null;
+
+        foreach (var dockerImage in egg.DockerImages)
+        {
+            var finalDockerImage = await DockerImageRepository.AddAsync(new TemplateDockerImage()
+            {
+                DisplayName = dockerImage.Key,
+                ImageName = dockerImage.Value,
+                SkipPulling = false,
+                Template = finalTemplate
+            });
+
+            if (isFirst)
+            {
+                isFirst = false;
+                defaultDockerImage = finalDockerImage;
+            }
+        }
+
+        finalTemplate.DefaultDockerImage = defaultDockerImage;
+
+        await TemplateRepository.UpdateAsync(finalTemplate);
+
+        return finalTemplate;
+    }
+}
+
+[YamlObject]
+public partial class Egg
+{
+    [YamlMember("_comment")] public string? Comment { get; set; }
+
+    [YamlMember("meta")] public EggMeta Meta { get; set; } = new();
+
+    [YamlMember("exported_at")] public string? ExportedAt { get; set; }
+
+    [YamlMember("name")] public string Name { get; set; } = string.Empty;
+
+    [YamlMember("author")] public string Author { get; set; } = string.Empty;
+
+    [YamlMember("uuid")] public string Uuid { get; set; } = string.Empty;
+
+    [YamlMember("description")] public string Description { get; set; } = string.Empty;
+
+    [YamlMember("image")] public string? Image { get; set; }
+
+    [YamlMember("tags")] public List<string> Tags { get; set; } = new();
+
+    [YamlMember("features")] public List<string> Features { get; set; } = new();
+
+    [YamlMember("docker_images")] public Dictionary<string, string> DockerImages { get; set; } = new();
+
+    [YamlMember("file_denylist")] public Dictionary<string, string> FileDenylist { get; set; } = new();
+
+    [YamlMember("startup_commands")] public Dictionary<string, string> StartupCommands { get; set; } = new();
+
+    [YamlMember("config")] public EggConfig Config { get; set; } = new();
+
+    [YamlMember("scripts")] public EggScripts Scripts { get; set; } = new();
+
+    [YamlMember("variables")] public List<EggVariable> Variables { get; set; } = new();
+}
+
+[YamlObject]
+public partial class EggMeta
+{
+    [YamlMember("version")] public string Version { get; set; } = string.Empty;
+
+    [YamlMember("update_url")] public string? UpdateUrl { get; set; }
+}
+
+[YamlObject]
+public partial class EggConfig
+{
+    [YamlMember("files")] public Dictionary<string, EggConfigFile> Files { get; set; } = new();
+
+    [YamlMember("startup")] public Dictionary<string, string> Startup { get; set; } = new();
+
+    [YamlMember("logs")] public Dictionary<string, string> Logs { get; set; } = new();
+
+    [YamlMember("stop")] public string Stop { get; set; } = string.Empty;
+}
+
+[YamlObject]
+public partial class EggConfigFile
+{
+    [YamlMember("parser")] public string Parser { get; set; } = string.Empty;
+
+    [YamlMember("find")] public Dictionary<string, string> Find { get; set; } = new();
+}
+
+[YamlObject]
+public partial class EggScripts
+{
+    [YamlMember("installation")] public EggInstallationScript Installation { get; set; } = new();
+}
+
+[YamlObject]
+public partial class EggInstallationScript
+{
+    [YamlMember("script")] public string Script { get; set; } = string.Empty;
+
+    [YamlMember("container")] public string Container { get; set; } = string.Empty;
+
+    [YamlMember("entrypoint")] public string Entrypoint { get; set; } = string.Empty;
+}
+
+[YamlObject]
+public partial class EggVariable
+{
+    [YamlMember("name")] public string Name { get; set; } = string.Empty;
+
+    [YamlMember("description")] public string Description { get; set; } = string.Empty;
+
+    [YamlMember("env_variable")] public string EnvVariable { get; set; } = string.Empty;
+
+    [YamlMember("default_value")] public string DefaultValue { get; set; } = string.Empty;
+
+    [YamlMember("user_viewable")] public bool UserViewable { get; set; }
+
+    [YamlMember("user_editable")] public bool UserEditable { get; set; }
+
+    [YamlMember("rules")] public List<string> Rules { get; set; } = new();
+
+    [YamlMember("sort")] public int Sort { get; set; }
+}

MoonlightServers.Api/Admin/Templates/PterodactylEggImportService.cs

@@ -0,0 +1,255 @@
+using System.Text.Json;
+using MoonlightServers.Api.Infrastructure.Database;
+using MoonlightServers.Api.Infrastructure.Database.Entities;
+using MoonlightServers.Api.Infrastructure.Database.Json;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+public class PterodactylEggImportService
+{
+    private readonly DatabaseRepository<Template> TemplateRepository;
+    private readonly DatabaseRepository<TemplateDockerImage> DockerImageRepository;
+
+    public PterodactylEggImportService(
+        DatabaseRepository<Template> templateRepository,
+        DatabaseRepository<TemplateDockerImage> dockerImageRepository
+    )
+    {
+        TemplateRepository = templateRepository;
+        DockerImageRepository = dockerImageRepository;
+    }
+
+    public async Task<Template> ImportAsync(string json)
+    {
+        using var doc = JsonDocument.Parse(json);
+        var root = doc.RootElement;
+
+        var template = new Template
+        {
+            Name = Truncate(root.GetStringOrDefault("name") ?? "Unknown", 30),
+            Description = Truncate(root.GetStringOrDefault("description") ?? "", 255),
+            Author = Truncate(root.GetStringOrDefault("author") ?? "", 30),
+            Version = "1.0.0",
+            UpdateUrl = root.TryGetProperty("meta", out var meta)
+                ? meta.GetStringOrDefault("update_url")
+                : null,
+            DonateUrl = null,
+
+            FilesConfig = ParseFilesConfig(root),
+            LifecycleConfig = ParseLifecycleConfig(root),
+            InstallationConfig = ParseInstallationConfig(root),
+            MiscellaneousConfig = new MiscellaneousConfig { UseLegacyStartup = true },
+
+            AllowUserDockerImageChange = true,
+            Variables = ParseVariables(root)
+        };
+
+        var finalTemplate = await TemplateRepository.AddAsync(template);
+
+        var dockerImages = ParseDockerImageModels(root);
+        TemplateDockerImage? defaultDockerImage = null;
+
+        var isFirst = true;
+
+        foreach (var (displayName, imageName) in dockerImages)
+        {
+            var entity = new TemplateDockerImage
+            {
+                DisplayName = displayName,
+                ImageName = imageName,
+                SkipPulling = false,
+                Template = finalTemplate
+            };
+
+            var finalEntity = await DockerImageRepository.AddAsync(entity);
+
+            if (isFirst)
+            {
+                isFirst = false;
+                defaultDockerImage = finalEntity;
+            }
+        }
+
+        finalTemplate.DefaultDockerImage = defaultDockerImage;
+        await TemplateRepository.UpdateAsync(finalTemplate);
+
+        return finalTemplate;
+    }
+
+    private static FilesConfig ParseFilesConfig(JsonElement root)
+    {
+        var configFiles = new List<ConfigurationFile>();
+
+        if (!root.TryGetProperty("config", out var config))
+            return new FilesConfig { ConfigurationFiles = configFiles };
+
+        if (!config.TryGetProperty("files", out var filesElement))
+            return new FilesConfig { ConfigurationFiles = configFiles };
+
+        var filesJson = filesElement.ValueKind == JsonValueKind.String
+            ? filesElement.GetString()
+            : filesElement.GetRawText();
+
+        if (string.IsNullOrWhiteSpace(filesJson) || filesJson == "{}" || filesJson == "[]")
+            return new FilesConfig { ConfigurationFiles = configFiles };
+
+        try
+        {
+            using var filesDoc = JsonDocument.Parse(filesJson);
+
+            foreach (var fileProperty in filesDoc.RootElement.EnumerateObject())
+            {
+                var parser = fileProperty.Value.GetStringOrDefault("parser") ?? "json";
+                var mappings = new List<ConfigurationFileMapping>();
+
+                if (fileProperty.Value.TryGetProperty("find", out var find))
+                {
+                    foreach (var mapping in find.EnumerateObject())
+                    {
+                        mappings.Add(new ConfigurationFileMapping
+                        {
+                            Key = mapping.Name,
+                            Value = mapping.Value.ValueKind == JsonValueKind.String
+                                ? mapping.Value.GetString() ?? ""
+                                : mapping.Value.GetRawText()
+                        });
+                    }
+                }
+
+                configFiles.Add(new ConfigurationFile
+                {
+                    Path = fileProperty.Name,
+                    Parser = parser,
+                    Mappings = mappings
+                });
+            }
+        }
+        catch (JsonException)
+        {
+        }
+
+        return new FilesConfig { ConfigurationFiles = configFiles };
+    }
+
+    private static LifecycleConfig ParseLifecycleConfig(JsonElement root)
+    {
+        var stopCommand = "";
+        var onlinePatterns = new List<string>();
+
+        if (root.TryGetProperty("config", out var config))
+        {
+            stopCommand = config.GetStringOrDefault("stop") ?? "";
+
+            if (config.TryGetProperty("startup", out var startupElement))
+            {
+                var startupJson = startupElement.ValueKind == JsonValueKind.String
+                    ? startupElement.GetString()
+                    : startupElement.GetRawText();
+
+                if (!string.IsNullOrWhiteSpace(startupJson))
+                {
+                    try
+                    {
+                        using var startupDoc = JsonDocument.Parse(startupJson);
+
+                        if (startupDoc.RootElement.TryGetProperty("done", out var done))
+                        {
+                            var doneValue = done.ValueKind == JsonValueKind.String
+                                ? done.GetString()
+                                : done.GetRawText();
+
+                            if (!string.IsNullOrWhiteSpace(doneValue))
+                                onlinePatterns.Add(doneValue);
+                        }
+                    }
+                    catch (JsonException)
+                    {
+                    }
+                }
+            }
+        }
+
+        return new LifecycleConfig
+        {
+            StartupCommands =
+            [
+                new StartupCommand
+                {
+                    DisplayName = "Startup",
+                    Command = root.GetStringOrDefault("startup") ?? ""
+                }
+            ],
+            StopCommand = stopCommand,
+            OnlineLogPatterns = onlinePatterns
+        };
+    }
+
+    private static InstallationConfig ParseInstallationConfig(JsonElement root)
+    {
+        if (!root.TryGetProperty("scripts", out var scripts))
+            return new InstallationConfig();
+
+        if (!scripts.TryGetProperty("installation", out var installation))
+            return new InstallationConfig();
+
+        return new InstallationConfig
+        {
+            DockerImage = installation.GetStringOrDefault("container") ?? "",
+            Shell = installation.GetStringOrDefault("entrypoint") ?? "bash",
+            Script = installation.GetStringOrDefault("script") ?? ""
+        };
+    }
+
+    // Returns (DisplayName, ImageName, IsFirst) tuples to avoid a temporary model
+    private static List<(string DisplayName, string ImageName)> ParseDockerImageModels(JsonElement root)
+    {
+        var result = new List<(string, string)>();
+
+        if (!root.TryGetProperty("docker_images", out var dockerImages))
+            return result;
+
+        foreach (var img in dockerImages.EnumerateObject())
+        {
+            result.Add((
+                Truncate(img.Name, 30),
+                Truncate(img.Value.GetString() ?? img.Name, 255)
+            ));
+        }
+
+        return result;
+    }
+
+    private static List<TemplateVariable> ParseVariables(JsonElement root)
+    {
+        var variables = new List<TemplateVariable>();
+
+        if (!root.TryGetProperty("variables", out var vars))
+            return variables;
+
+        foreach (var v in vars.EnumerateArray())
+        {
+            variables.Add(new TemplateVariable
+            {
+                DisplayName = Truncate(v.GetStringOrDefault("name") ?? "Variable", 30),
+                Description = Truncate(v.GetStringOrDefault("description") ?? "", 255),
+                EnvName = Truncate(v.GetStringOrDefault("env_variable") ?? "", 60),
+                DefaultValue = Truncate(v.GetStringOrDefault("default_value") ?? "", 1024)
+            });
+        }
+
+        return variables;
+    }
+
+    private static string Truncate(string value, int maxLength) =>
+        value.Length <= maxLength ? value : value[..maxLength];
+}
+
+internal static class JsonElementExtensions
+{
+    public static string? GetStringOrDefault(this JsonElement element, string propertyName)
+    {
+        return element.TryGetProperty(propertyName, out var prop) && prop.ValueKind == JsonValueKind.String
+            ? prop.GetString()
+            : null;
+    }
+}

MoonlightServers.Api/Admin/Templates/TemplateMapper.cs

@@ -0,0 +1,28 @@
+using System.Diagnostics.CodeAnalysis;
+using MoonlightServers.Api.Infrastructure.Database.Entities;
+using MoonlightServers.Shared.Admin.Templates;
+using Riok.Mapperly.Abstractions;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+[Mapper]
+[SuppressMessage("Mapper", "RMG020:No members are mapped in an object mapping")]
+[SuppressMessage("Mapper", "RMG012:No members are mapped in an object mapping")]
+public static partial class TemplateMapper
+{
+    public static partial TemplateDto ToDto(Template template);
+    public static partial DetailedTemplateDto ToDetailedDto(Template template);
+    public static partial IQueryable<TemplateDto> ProjectToDto(this IQueryable<Template> templates);
+    public static partial Template ToEntity(CreateTemplateDto dto);
+    public static partial void Merge([MappingTarget] Template template, UpdateTemplateDto dto);
+
+    public static partial IQueryable<VariableDto> ProjectToDto(this IQueryable<TemplateVariable> variables);
+    public static partial VariableDto ToDto(TemplateVariable variable);
+    public static partial TemplateVariable ToEntity(CreateVariableDto dto);
+    public static partial void Merge([MappingTarget] TemplateVariable variable, UpdateVariableDto dto);
+    
+    public static partial IQueryable<DockerImageDto> ProjectToDto(this IQueryable<TemplateDockerImage> dockerImages);
+    public static partial DockerImageDto ToDto(TemplateDockerImage dockerImage);
+    public static partial TemplateDockerImage ToEntity(CreateDockerImageDto dto);
+    public static partial void Merge([MappingTarget] TemplateDockerImage dockerImage, UpdateDockerImageDto dto);
+}

MoonlightServers.Api/Admin/Templates/TemplateTransferModel.cs

@@ -0,0 +1,92 @@
+using VYaml.Annotations;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+[YamlObject]
+public partial class TemplateTransferModel
+{
+    public string Name { get; set; } = "";
+    public string Description { get; set; } = "";
+    public string Author { get; set; } = "";
+    public string Version { get; set; } = "";
+    public string? UpdateUrl { get; set; }
+    public string? DonateUrl { get; set; }
+
+    public FilesConfigTransferModel Files { get; set; } = new();
+    public LifecycleConfigTransferModel Lifecycle { get; set; } = new();
+    public InstallationConfigTransferModel Installation { get; set; } = new();
+    public MiscellaneousConfigTransferModel Miscellaneous { get; set; } = new();
+
+    public bool AllowUserDockerImageChange { get; set; }
+    public List<TemplateDockerImageTransferModel> DockerImages { get; set; } = new();
+
+    public List<TemplateVariableTransferModel> Variables { get; set; } = new();
+}
+
+[YamlObject]
+public partial class TemplateDockerImageTransferModel
+{
+    public string DisplayName { get; set; } = "";
+    public string ImageName { get; set; } = "";
+    public bool SkipPulling { get; set; }
+    public bool IsDefault { get; set; }
+}
+
+[YamlObject]
+public partial class TemplateVariableTransferModel
+{
+    public string DisplayName { get; set; } = "";
+    public string Description { get; set; } = "";
+    public string EnvName { get; set; } = "";
+    public string? DefaultValue { get; set; }
+}
+
+[YamlObject]
+public partial class FilesConfigTransferModel
+{
+    public List<ConfigurationFileTransferModel> ConfigurationFiles { get; set; } = new();
+}
+
+[YamlObject]
+public partial class ConfigurationFileTransferModel
+{
+    public string Path { get; set; } = "";
+    public string Parser { get; set; } = "";
+    public List<ConfigurationFileMappingTransferModel> Mappings { get; set; } = new();
+}
+
+[YamlObject]
+public partial class ConfigurationFileMappingTransferModel
+{
+    public string Key { get; set; } = "";
+    public string? Value { get; set; }
+}
+
+[YamlObject]
+public partial class LifecycleConfigTransferModel
+{
+    public List<StartupCommandTransferModel> StartupCommands { get; set; } = new();
+    public string StopCommand { get; set; } = "";
+    public List<string> OnlineLogPatterns { get; set; } = new();
+}
+
+[YamlObject]
+public partial class StartupCommandTransferModel
+{
+    public string DisplayName { get; set; } = "";
+    public string Command { get; set; } = "";
+}
+
+[YamlObject]
+public partial class InstallationConfigTransferModel
+{
+    public string DockerImage { get; set; } = "";
+    public string Shell { get; set; } = "";
+    public string Script { get; set; } = "";
+}
+
+[YamlObject]
+public partial class MiscellaneousConfigTransferModel
+{
+    public bool UseLegacyStartup { get; set; }
+}

MoonlightServers.Api/Admin/Templates/TemplateTransferService.cs

@@ -0,0 +1,182 @@
+using Microsoft.EntityFrameworkCore;
+using MoonlightServers.Api.Infrastructure.Database;
+using MoonlightServers.Api.Infrastructure.Database.Entities;
+using MoonlightServers.Api.Infrastructure.Database.Json;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+public class TemplateTransferService
+{
+    private readonly DatabaseRepository<Template> TemplateRepository;
+    private readonly DatabaseRepository<TemplateDockerImage> DockerImageRepository;
+
+    public TemplateTransferService(DatabaseRepository<Template> templateRepository,
+        DatabaseRepository<TemplateDockerImage> dockerImageRepository)
+    {
+        TemplateRepository = templateRepository;
+        DockerImageRepository = dockerImageRepository;
+    }
+
+    public async Task<TemplateTransferModel?> ExportAsync(int id)
+    {
+        var template = await TemplateRepository
+            .Query()
+            .Include(x => x.Variables)
+            .Include(x => x.DockerImages)
+            .Include(x => x.DefaultDockerImage)
+            .FirstOrDefaultAsync(x => x.Id == id);
+
+        if (template == null)
+            return null;
+        
+        return new()
+        {
+            Name = template.Name,
+            Description = template.Description,
+            Author = template.Author,
+            Version = template.Version,
+            UpdateUrl = template.UpdateUrl,
+            DonateUrl = template.DonateUrl,
+
+            Files = new FilesConfigTransferModel
+            {
+                ConfigurationFiles = template.FilesConfig.ConfigurationFiles
+                    .Select(cf => new ConfigurationFileTransferModel
+                    {
+                        Path = cf.Path,
+                        Parser = cf.Parser,
+                        Mappings = cf.Mappings
+                            .Select(m => new ConfigurationFileMappingTransferModel { Key = m.Key, Value = m.Value })
+                            .ToList()
+                    })
+                    .ToList()
+            },
+
+            Lifecycle = new LifecycleConfigTransferModel
+            {
+                StartupCommands = template.LifecycleConfig.StartupCommands
+                    .Select(sc => new StartupCommandTransferModel
+                        { DisplayName = sc.DisplayName, Command = sc.Command })
+                    .ToList(),
+                StopCommand = template.LifecycleConfig.StopCommand,
+                OnlineLogPatterns = template.LifecycleConfig.OnlineLogPatterns.ToList()
+            },
+
+            Installation = new InstallationConfigTransferModel
+            {
+                DockerImage = template.InstallationConfig.DockerImage,
+                Shell = template.InstallationConfig.Shell,
+                Script = template.InstallationConfig.Script
+            },
+
+            Miscellaneous = new MiscellaneousConfigTransferModel
+            {
+                UseLegacyStartup = template.MiscellaneousConfig.UseLegacyStartup
+            },
+
+            AllowUserDockerImageChange = template.AllowUserDockerImageChange,
+            DockerImages = template.DockerImages
+                .Select(img => new TemplateDockerImageTransferModel
+                {
+                    DisplayName = img.DisplayName,
+                    ImageName = img.ImageName,
+                    SkipPulling = img.SkipPulling,
+                    IsDefault = template.DefaultDockerImage != null && img.Id == template.DefaultDockerImage.Id
+                })
+                .ToList(),
+
+            Variables = template.Variables
+                .Select(v => new TemplateVariableTransferModel
+                {
+                    DisplayName = v.DisplayName,
+                    Description = v.Description,
+                    EnvName = v.EnvName,
+                    DefaultValue = v.DefaultValue
+                })
+                .ToList()
+        };
+    }
+
+    public async Task<Template> ImportAsync(TemplateTransferModel m)
+    {
+        var template = new Template
+        {
+            Name = m.Name,
+            Description = m.Description,
+            Author = m.Author,
+            Version = m.Version,
+            UpdateUrl = m.UpdateUrl,
+            DonateUrl = m.DonateUrl,
+
+            FilesConfig = new FilesConfig
+            {
+                ConfigurationFiles = m.Files.ConfigurationFiles
+                    .Select(cf => new ConfigurationFile
+                    {
+                        Path = cf.Path,
+                        Parser = cf.Parser,
+                        Mappings = cf.Mappings
+                            .Select(mp => new ConfigurationFileMapping { Key = mp.Key, Value = mp.Value })
+                            .ToList()
+                    })
+                    .ToList()
+            },
+
+            LifecycleConfig = new LifecycleConfig
+            {
+                StartupCommands = m.Lifecycle.StartupCommands
+                    .Select(sc => new StartupCommand { DisplayName = sc.DisplayName, Command = sc.Command })
+                    .ToList(),
+                StopCommand = m.Lifecycle.StopCommand,
+                OnlineLogPatterns = m.Lifecycle.OnlineLogPatterns.ToList()
+            },
+
+            InstallationConfig = new InstallationConfig
+            {
+                DockerImage = m.Installation.DockerImage,
+                Shell = m.Installation.Shell,
+                Script = m.Installation.Script
+            },
+
+            MiscellaneousConfig = new MiscellaneousConfig { UseLegacyStartup = m.Miscellaneous.UseLegacyStartup },
+
+            AllowUserDockerImageChange = m.AllowUserDockerImageChange,
+
+            Variables = m.Variables
+                .Select(v => new TemplateVariable
+                {
+                    DisplayName = v.DisplayName,
+                    Description = v.Description,
+                    EnvName = v.EnvName,
+                    DefaultValue = v.DefaultValue
+                })
+                .ToList()
+        };
+
+        var finalTemplate = await TemplateRepository.AddAsync(template);
+
+        TemplateDockerImage? defaultDockerImage = null;
+
+        foreach (var img in m.DockerImages)
+        {
+            var entity = new TemplateDockerImage
+            {
+                DisplayName = img.DisplayName,
+                ImageName = img.ImageName,
+                SkipPulling = img.SkipPulling,
+                Template = template
+            };
+
+            var finalEntity = await DockerImageRepository.AddAsync(entity);
+
+            if (img.IsDefault)
+                defaultDockerImage = finalEntity;
+        }
+
+        finalTemplate.DefaultDockerImage = defaultDockerImage;
+
+        await TemplateRepository.UpdateAsync(finalTemplate);
+
+        return finalTemplate;
+    }
+}

MoonlightServers.Api/Admin/Templates/TransferController.cs

@@ -0,0 +1,88 @@
+using System.Text;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
+using MoonlightServers.Shared.Admin.Templates;
+using VYaml.Serialization;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+[ApiController]
+[Route("api/admin/servers/templates")]
+public class TransferController : Controller
+{
+    private readonly TemplateTransferService TransferService;
+
+    public TransferController(TemplateTransferService transferService)
+    {
+        TransferService = transferService;
+    }
+
+    [HttpGet("{id:int}/export")]
+    public async Task<ActionResult> ExportAsync([FromRoute] int id)
+    {
+        var transferModel = await TransferService.ExportAsync(id);
+
+        if (transferModel == null)
+            return Problem("No template with that id found", statusCode: 404);
+
+        var yml = YamlSerializer.Serialize(transferModel, new YamlSerializerOptions
+        {
+            Resolver = CompositeResolver.Create([
+                GeneratedResolver.Instance,
+                StandardResolver.Instance
+            ])
+        });
+
+        return File(yml.ToArray(), "text/yaml", $"{transferModel.Name}.yml");
+    }
+
+    [HttpPost("import")]
+    public async Task<ActionResult<TemplateDto>> ImportAsync()
+    {
+        string content;
+
+        await using (Stream receiveStream = Request.Body)
+            
+        using (StreamReader readStream = new StreamReader(receiveStream))
+            content = await readStream.ReadToEndAsync();
+        
+        if(content.Contains("version: PLCN_v3"))
+        {
+            var importService = HttpContext.RequestServices.GetRequiredService<PelicanEggImportService>();
+
+            var template = await importService.ImportAsync(content);
+
+            return TemplateMapper.ToDto(template);
+        }
+        if (
+            content.Contains("PTDL_v2", StringComparison.OrdinalIgnoreCase) ||
+            content.Contains("PLCN_v1", StringComparison.OrdinalIgnoreCase) ||
+            content.Contains("PLCN_v2", StringComparison.OrdinalIgnoreCase) ||
+            content.Contains("PLCN_v3", StringComparison.OrdinalIgnoreCase)
+        )
+        {
+            var importService = HttpContext.RequestServices.GetRequiredService<PterodactylEggImportService>();
+
+            var template = await importService.ImportAsync(content);
+
+            return TemplateMapper.ToDto(template);
+        }
+        else
+        {
+            var transferModel = YamlSerializer.Deserialize<TemplateTransferModel>(
+                Encoding.UTF8.GetBytes(content),
+                new YamlSerializerOptions
+                {
+                    Resolver = CompositeResolver.Create([
+                        GeneratedResolver.Instance,
+                        StandardResolver.Instance
+                    ])
+                }
+            );
+
+            var template = await TransferService.ImportAsync(transferModel);
+
+            return TemplateMapper.ToDto(template);
+        }
+    }
+}

MoonlightServers.Api/Admin/Templates/VariablesController.cs

@@ -0,0 +1,144 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Moonlight.Shared.Http.Responses;
+using MoonlightServers.Api.Infrastructure.Database;
+using MoonlightServers.Api.Infrastructure.Database.Entities;
+using MoonlightServers.Shared;
+using MoonlightServers.Shared.Admin.Templates;
+
+namespace MoonlightServers.Api.Admin.Templates;
+
+[ApiController]
+[Route("api/admin/servers/templates/{templateId:int}/variables")]
+public class VariablesController : Controller
+{
+    private readonly DatabaseRepository<TemplateVariable> VariableRepository;
+    private readonly DatabaseRepository<Template> TemplateRepository;
+
+    public VariablesController(
+        DatabaseRepository<TemplateVariable> variableRepository,
+        DatabaseRepository<Template> templateRepository
+    )
+    {
+        VariableRepository = variableRepository;
+        TemplateRepository = templateRepository;
+    }
+
+    [HttpGet]
+    [Authorize(Policy = Permissions.Templates.View)]
+    public async Task<ActionResult<PagedData<VariableDto>>> GetAsync(
+        [FromRoute] int templateId,
+        [FromQuery] int startIndex,
+        [FromQuery] int length
+    )
+    {
+        // Validation
+        if (startIndex < 0)
+            return Problem("Invalid start index specified", statusCode: 400);
+
+        if (length is < 1 or > 100)
+            return Problem("Invalid length specified");
+
+        if (!await TemplateRepository.Query().AnyAsync(x => x.Id == templateId))
+            return Problem("No template with that id found", statusCode: 404);
+
+        // Query building
+
+        var query = VariableRepository
+            .Query()
+            .Where(x => x.Template.Id == templateId);
+
+        // Pagination
+        var data = await query
+            .OrderBy(x => x.Id)
+            .ProjectToDto()
+            .Skip(startIndex)
+            .Take(length)
+            .ToArrayAsync();
+
+        var total = await query.CountAsync();
+
+        return new PagedData<VariableDto>(data, total);
+    }
+
+    [HttpGet("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.View)]
+    public async Task<ActionResult<VariableDto>> GetAsync(
+        [FromRoute] int templateId,
+        [FromRoute] int id
+    )
+    {
+        var templateVariable = await VariableRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id && x.Template.Id == templateId);
+
+        if (templateVariable == null)
+            return Problem("No template or template variable found with that id");
+
+        return TemplateMapper.ToDto(templateVariable);
+    }
+
+    [HttpPost]
+    [Authorize(Policy = Permissions.Templates.Create)]
+    public async Task<ActionResult<VariableDto>> CreateAsync(
+        [FromRoute] int templateId,
+        [FromBody] CreateVariableDto dto
+    )
+    {
+        var template = await TemplateRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == templateId);
+
+        if (template == null)
+            return Problem("No template with that id found", statusCode: 404);
+
+        var variable = TemplateMapper.ToEntity(dto);
+
+        variable.Template = template;
+
+        var finalVariable = await VariableRepository.AddAsync(variable);
+
+        return TemplateMapper.ToDto(finalVariable);
+    }
+
+    [HttpPut("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.Edit)]
+    public async Task<ActionResult<VariableDto>> UpdateAsync(
+        [FromRoute] int templateId,
+        [FromRoute] int id,
+        [FromBody] UpdateVariableDto dto
+    )
+    {
+        var templateVariable = await VariableRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id && x.Template.Id == templateId);
+
+        if (templateVariable == null)
+            return Problem("No template or template variable found with that id");
+
+        TemplateMapper.Merge(templateVariable, dto);
+
+        await VariableRepository.UpdateAsync(templateVariable);
+
+        return TemplateMapper.ToDto(templateVariable);
+    }
+
+    [HttpDelete("{id:int}")]
+    [Authorize(Policy = Permissions.Templates.Delete)]
+    public async Task<ActionResult> DeleteAsync(
+        [FromRoute] int templateId,
+        [FromRoute] int id
+    )
+    {
+        var templateVariable = await VariableRepository
+            .Query()
+            .FirstOrDefaultAsync(x => x.Id == id && x.Template.Id == templateId);
+
+        if (templateVariable == null)
+            return Problem("No template or template variable found with that id");
+
+        await VariableRepository.RemoveAsync(templateVariable);
+        return NoContent();
+    }
+}

MoonlightServers.Api/Infrastructure/Database/DataContext.cs

@@ -8,6 +8,9 @@ namespace MoonlightServers.Api.Infrastructure.Database;
 public class DataContext : DbContext
 {
     public DbSet<Node> Nodes { get; set; }
+    public DbSet<Template> Templates { get; set; }
+    public DbSet<TemplateDockerImage> TemplateDockerImages { get; set; }
+    public DbSet<TemplateVariable> TemplateVariablesVariables { get; set; }
     
     private readonly IOptions<DatabaseOptions> Options;
     public DataContext(IOptions<DatabaseOptions> options)
@@ -34,5 +37,25 @@ public class DataContext : DbContext
         modelBuilder.HasDefaultSchema("servers");
         
         base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<Template>()
+            .ComplexProperty(x => x.FilesConfig, builder => builder.ToJson())
+            .ComplexProperty(x => x.LifecycleConfig, builder => builder.ToJson())
+            .ComplexProperty(x => x.InstallationConfig, builder => builder.ToJson())
+            .ComplexProperty(x => x.MiscellaneousConfig, builder => builder.ToJson());
+        
+        // One-to-many: Template => DockerImages
+        modelBuilder.Entity<Template>()
+            .HasMany(t => t.DockerImages)
+            .WithOne(d => d.Template)
+            .HasForeignKey("TemplateId")
+            .OnDelete(DeleteBehavior.Cascade);
+
+        // One-to-one: Template => DefaultDockerImage
+        modelBuilder.Entity<Template>()
+            .HasOne(t => t.DefaultDockerImage)
+            .WithOne()
+            .HasForeignKey<Template>("DefaultDockerImageId")
+            .OnDelete(DeleteBehavior.SetNull);
     }
 }

MoonlightServers.Api/Infrastructure/Database/DbMigrationService.cs

@@ -28,7 +28,7 @@ public class DbMigrationService : IHostedLifecycleService
 
         if (migrationNames.Length == 0)
         {
-            Logger.LogDebug("No pending migrations found");
+            Logger.LogTrace("No pending migrations found");
             return;
         }
 

MoonlightServers.Api/Infrastructure/Database/Entities/Template.cs

@@ -0,0 +1,43 @@
+using System.ComponentModel.DataAnnotations;
+using MoonlightServers.Api.Infrastructure.Database.Json;
+
+namespace MoonlightServers.Api.Infrastructure.Database.Entities;
+
+public class Template
+{
+    public int Id { get; set; }
+
+    // Meta
+    
+    [MaxLength(30)]
+    public string Name { get; set; }
+    
+    [MaxLength(255)]
+    public string Description { get; set; }
+    
+    [MaxLength(30)]
+    public string Author { get; set; }
+    
+    [MaxLength(30)]
+    public string Version { get; set; }
+    
+    [MaxLength(2048)]
+    public string? UpdateUrl { get; set; }
+    
+    [MaxLength(2048)]
+    public string? DonateUrl { get; set; }
+    
+    // JSON Options
+    public FilesConfig FilesConfig { get; set; }
+    public LifecycleConfig LifecycleConfig { get; set; }
+    public InstallationConfig InstallationConfig { get; set; }
+    public MiscellaneousConfig MiscellaneousConfig { get; set; }
+
+    // Docker Images
+    public bool AllowUserDockerImageChange { get; set; }
+    public TemplateDockerImage? DefaultDockerImage { get; set; }
+    public List<TemplateDockerImage> DockerImages { get; set; } = new();
+    
+    // Variables
+    public List<TemplateVariable> Variables { get; set; } = new();
+}

MoonlightServers.Api/Infrastructure/Database/Entities/TemplateDockerImage.cs

@@ -0,0 +1,19 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Api.Infrastructure.Database.Entities;
+
+public class TemplateDockerImage
+{
+    public int Id { get; set; }
+    
+    [MaxLength(30)]
+    public string DisplayName { get; set; }
+    
+    [MaxLength(255)]
+    public string ImageName { get; set; }
+    
+    public bool SkipPulling { get; set; }
+    
+    // Relations
+    public Template Template { get; set; }
+}

MoonlightServers.Api/Infrastructure/Database/Entities/TemplateVariable.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Api.Infrastructure.Database.Entities;
+
+public class TemplateVariable
+{
+    public int Id { get; set; }
+
+    [MaxLength(30)]
+    public string DisplayName { get; set; }
+    
+    [MaxLength(255)]
+    public string Description { get; set; }
+    
+    [MaxLength(60)]
+    public string EnvName { get; set; }
+    
+    [MaxLength(1024)]
+    public string? DefaultValue { get; set; }
+    
+    // Relations
+    public Template Template { get; set; }
+}

MoonlightServers.Api/Infrastructure/Database/Json/FilesConfig.cs

@@ -0,0 +1,19 @@
+namespace MoonlightServers.Api.Infrastructure.Database.Json;
+
+public class FilesConfig
+{
+    public List<ConfigurationFile> ConfigurationFiles { get; set; } = [];
+}
+
+public class ConfigurationFile
+{
+    public string Path { get; set; } = string.Empty;
+    public string Parser { get; set; } = string.Empty;
+    public List<ConfigurationFileMapping> Mappings { get; set; } = [];
+}
+
+public class ConfigurationFileMapping
+{
+    public string Key { get; set; } = string.Empty;
+    public string? Value { get; set; } = string.Empty;
+}

MoonlightServers.Api/Infrastructure/Database/Json/InstallationConfig.cs

@@ -0,0 +1,8 @@
+namespace MoonlightServers.Api.Infrastructure.Database.Json;
+
+public class InstallationConfig
+{
+    public string DockerImage { get; set; } = string.Empty;
+    public string Shell { get; set; } = string.Empty;
+    public string Script { get; set; } = string.Empty;
+}

MoonlightServers.Api/Infrastructure/Database/Json/LifecycleConfig.cs

@@ -0,0 +1,14 @@
+namespace MoonlightServers.Api.Infrastructure.Database.Json;
+
+public class LifecycleConfig
+{
+    public List<StartupCommand> StartupCommands { get; set; } = [];
+    public string StopCommand { get; set; } = string.Empty;
+    public List<string> OnlineLogPatterns { get; set; } = [];
+}
+
+public class StartupCommand
+{
+    public string DisplayName { get; set; } = string.Empty;
+    public string Command { get; set; } = string.Empty;
+}

MoonlightServers.Api/Infrastructure/Database/Json/MiscellaneousConfig.cs

@@ -0,0 +1,6 @@
+namespace MoonlightServers.Api.Infrastructure.Database.Json;
+
+public class MiscellaneousConfig
+{
+    public bool UseLegacyStartup { get; set; }
+}

MoonlightServers.Api/Infrastructure/Database/Migrations/20260312075719_AddedTemplateEntities.Designer.cs

@@ -0,0 +1,315 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using MoonlightServers.Api.Infrastructure.Database;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace MoonlightServers.Api.Infrastructure.Database.Migrations
+{
+    [DbContext(typeof(DataContext))]
+    [Migration("20260312075719_AddedTemplateEntities")]
+    partial class AddedTemplateEntities
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("servers")
+                .HasAnnotation("ProductVersion", "10.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.Node", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("HttpEndpointUrl")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("Token")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("TokenId")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("character varying(10)");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Nodes", "servers");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.Template", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("AllowUserDockerImageChange")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Author")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<int?>("DefaultDockerImageId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("DonateUrl")
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<string>("UpdateUrl")
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<string>("Version")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "FilesConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.FilesConfig#FilesConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.ComplexCollection(typeof(List<Dictionary<string, object>>), "ConfigurationFiles", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.FilesConfig#FilesConfig.ConfigurationFiles#ConfigurationFile", b2 =>
+                                {
+                                    b2.IsRequired();
+
+                                    b2.Property<string>("Parser")
+                                        .IsRequired();
+
+                                    b2.Property<string>("Path")
+                                        .IsRequired();
+
+                                    b2.ComplexCollection(typeof(List<Dictionary<string, object>>), "Mappings", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.FilesConfig#FilesConfig.ConfigurationFiles#ConfigurationFile.Mappings#ConfigurationFileMapping", b3 =>
+                                        {
+                                            b3.IsRequired();
+
+                                            b3.Property<string>("Key")
+                                                .IsRequired();
+
+                                            b3.Property<string>("Value")
+                                                .IsRequired();
+                                        });
+                                });
+
+                            b1
+                                .ToJson("FilesConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "InstallationConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.InstallationConfig#InstallationConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.Property<string>("DockerImage")
+                                .IsRequired();
+
+                            b1.Property<string>("Script")
+                                .IsRequired();
+
+                            b1.Property<string>("Shell")
+                                .IsRequired();
+
+                            b1
+                                .ToJson("InstallationConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "LifecycleConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.LifecycleConfig#LifecycleConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.PrimitiveCollection<string>("OnlineLogPatterns")
+                                .IsRequired();
+
+                            b1.Property<string>("StopCommand")
+                                .IsRequired();
+
+                            b1.ComplexCollection(typeof(List<Dictionary<string, object>>), "StartupCommands", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.LifecycleConfig#LifecycleConfig.StartupCommands#StartupCommand", b2 =>
+                                {
+                                    b2.IsRequired();
+
+                                    b2.Property<string>("Command")
+                                        .IsRequired();
+
+                                    b2.Property<string>("DisplayName")
+                                        .IsRequired();
+                                });
+
+                            b1
+                                .ToJson("LifecycleConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "MiscellaneousConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.MiscellaneousConfig#MiscellaneousConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.Property<bool>("UseLegacyStartup");
+
+                            b1
+                                .ToJson("MiscellaneousConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DefaultDockerImageId")
+                        .IsUnique();
+
+                    b.ToTable("Templates", "servers");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateDockerImage", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<string>("ImageName")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<bool>("SkipPulling")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("TemplateId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateId");
+
+                    b.ToTable("TemplateDockerImages", "servers");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateVariable", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DefaultValue")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<string>("EnvName")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.Property<int>("TemplateId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateId");
+
+                    b.ToTable("TemplateVariablesVariables", "servers");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.Template", b =>
+                {
+                    b.HasOne("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateDockerImage", "DefaultDockerImage")
+                        .WithOne()
+                        .HasForeignKey("MoonlightServers.Api.Infrastructure.Database.Entities.Template", "DefaultDockerImageId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("DefaultDockerImage");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateDockerImage", b =>
+                {
+                    b.HasOne("MoonlightServers.Api.Infrastructure.Database.Entities.Template", "Template")
+                        .WithMany("DockerImages")
+                        .HasForeignKey("TemplateId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Template");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateVariable", b =>
+                {
+                    b.HasOne("MoonlightServers.Api.Infrastructure.Database.Entities.Template", "Template")
+                        .WithMany("Variables")
+                        .HasForeignKey("TemplateId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Template");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.Template", b =>
+                {
+                    b.Navigation("DockerImages");
+
+                    b.Navigation("Variables");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

MoonlightServers.Api/Infrastructure/Database/Migrations/20260312075719_AddedTemplateEntities.cs

@@ -0,0 +1,139 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace MoonlightServers.Api.Infrastructure.Database.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddedTemplateEntities : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "TemplateDockerImages",
+                schema: "servers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    DisplayName = table.Column<string>(type: "character varying(30)", maxLength: 30, nullable: false),
+                    ImageName = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    SkipPulling = table.Column<bool>(type: "boolean", nullable: false),
+                    TemplateId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_TemplateDockerImages", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Templates",
+                schema: "servers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(30)", maxLength: 30, nullable: false),
+                    Description = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    Author = table.Column<string>(type: "character varying(30)", maxLength: 30, nullable: false),
+                    Version = table.Column<string>(type: "character varying(30)", maxLength: 30, nullable: false),
+                    UpdateUrl = table.Column<string>(type: "character varying(2048)", maxLength: 2048, nullable: true),
+                    DonateUrl = table.Column<string>(type: "character varying(2048)", maxLength: 2048, nullable: true),
+                    AllowUserDockerImageChange = table.Column<bool>(type: "boolean", nullable: false),
+                    DefaultDockerImageId = table.Column<int>(type: "integer", nullable: true),
+                    FilesConfig = table.Column<string>(type: "jsonb", nullable: false),
+                    InstallationConfig = table.Column<string>(type: "jsonb", nullable: false),
+                    LifecycleConfig = table.Column<string>(type: "jsonb", nullable: false),
+                    MiscellaneousConfig = table.Column<string>(type: "jsonb", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Templates", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Templates_TemplateDockerImages_DefaultDockerImageId",
+                        column: x => x.DefaultDockerImageId,
+                        principalSchema: "servers",
+                        principalTable: "TemplateDockerImages",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.SetNull);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "TemplateVariablesVariables",
+                schema: "servers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    DisplayName = table.Column<string>(type: "character varying(30)", maxLength: 30, nullable: false),
+                    Description = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    EnvName = table.Column<string>(type: "character varying(60)", maxLength: 60, nullable: false),
+                    DefaultValue = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false),
+                    TemplateId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_TemplateVariablesVariables", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_TemplateVariablesVariables_Templates_TemplateId",
+                        column: x => x.TemplateId,
+                        principalSchema: "servers",
+                        principalTable: "Templates",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TemplateDockerImages_TemplateId",
+                schema: "servers",
+                table: "TemplateDockerImages",
+                column: "TemplateId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Templates_DefaultDockerImageId",
+                schema: "servers",
+                table: "Templates",
+                column: "DefaultDockerImageId",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TemplateVariablesVariables_TemplateId",
+                schema: "servers",
+                table: "TemplateVariablesVariables",
+                column: "TemplateId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_TemplateDockerImages_Templates_TemplateId",
+                schema: "servers",
+                table: "TemplateDockerImages",
+                column: "TemplateId",
+                principalSchema: "servers",
+                principalTable: "Templates",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_TemplateDockerImages_Templates_TemplateId",
+                schema: "servers",
+                table: "TemplateDockerImages");
+
+            migrationBuilder.DropTable(
+                name: "TemplateVariablesVariables",
+                schema: "servers");
+
+            migrationBuilder.DropTable(
+                name: "Templates",
+                schema: "servers");
+
+            migrationBuilder.DropTable(
+                name: "TemplateDockerImages",
+                schema: "servers");
+        }
+    }
+}

MoonlightServers.Api/Infrastructure/Database/Migrations/DataContextModelSnapshot.cs

@@ -1,5 +1,6 @@
 // <auto-generated />
 using System;
+using System.Collections.Generic;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
@@ -18,7 +19,7 @@ namespace MoonlightServers.Api.Infrastructure.Database.Migrations
 #pragma warning disable 612, 618
             modelBuilder
                 .HasDefaultSchema("servers")
-                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("ProductVersion", "10.0.3")
                 .HasAnnotation("Relational:MaxIdentifierLength", 63);
 
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
@@ -61,6 +62,250 @@ namespace MoonlightServers.Api.Infrastructure.Database.Migrations
 
                     b.ToTable("Nodes", "servers");
                 });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.Template", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("AllowUserDockerImageChange")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Author")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<int?>("DefaultDockerImageId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("DonateUrl")
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<string>("UpdateUrl")
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<string>("Version")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "FilesConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.FilesConfig#FilesConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.ComplexCollection(typeof(List<Dictionary<string, object>>), "ConfigurationFiles", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.FilesConfig#FilesConfig.ConfigurationFiles#ConfigurationFile", b2 =>
+                                {
+                                    b2.IsRequired();
+
+                                    b2.Property<string>("Parser")
+                                        .IsRequired();
+
+                                    b2.Property<string>("Path")
+                                        .IsRequired();
+
+                                    b2.ComplexCollection(typeof(List<Dictionary<string, object>>), "Mappings", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.FilesConfig#FilesConfig.ConfigurationFiles#ConfigurationFile.Mappings#ConfigurationFileMapping", b3 =>
+                                        {
+                                            b3.IsRequired();
+
+                                            b3.Property<string>("Key")
+                                                .IsRequired();
+
+                                            b3.Property<string>("Value")
+                                                .IsRequired();
+                                        });
+                                });
+
+                            b1
+                                .ToJson("FilesConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "InstallationConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.InstallationConfig#InstallationConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.Property<string>("DockerImage")
+                                .IsRequired();
+
+                            b1.Property<string>("Script")
+                                .IsRequired();
+
+                            b1.Property<string>("Shell")
+                                .IsRequired();
+
+                            b1
+                                .ToJson("InstallationConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "LifecycleConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.LifecycleConfig#LifecycleConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.PrimitiveCollection<string>("OnlineLogPatterns")
+                                .IsRequired();
+
+                            b1.Property<string>("StopCommand")
+                                .IsRequired();
+
+                            b1.ComplexCollection(typeof(List<Dictionary<string, object>>), "StartupCommands", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.LifecycleConfig#LifecycleConfig.StartupCommands#StartupCommand", b2 =>
+                                {
+                                    b2.IsRequired();
+
+                                    b2.Property<string>("Command")
+                                        .IsRequired();
+
+                                    b2.Property<string>("DisplayName")
+                                        .IsRequired();
+                                });
+
+                            b1
+                                .ToJson("LifecycleConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.ComplexProperty(typeof(Dictionary<string, object>), "MiscellaneousConfig", "MoonlightServers.Api.Infrastructure.Database.Entities.Template.MiscellaneousConfig#MiscellaneousConfig", b1 =>
+                        {
+                            b1.IsRequired();
+
+                            b1.Property<bool>("UseLegacyStartup");
+
+                            b1
+                                .ToJson("MiscellaneousConfig")
+                                .HasColumnType("jsonb");
+                        });
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DefaultDockerImageId")
+                        .IsUnique();
+
+                    b.ToTable("Templates", "servers");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateDockerImage", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<string>("ImageName")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<bool>("SkipPulling")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("TemplateId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateId");
+
+                    b.ToTable("TemplateDockerImages", "servers");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateVariable", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DefaultValue")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<string>("EnvName")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("character varying(60)");
+
+                    b.Property<int>("TemplateId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateId");
+
+                    b.ToTable("TemplateVariablesVariables", "servers");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.Template", b =>
+                {
+                    b.HasOne("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateDockerImage", "DefaultDockerImage")
+                        .WithOne()
+                        .HasForeignKey("MoonlightServers.Api.Infrastructure.Database.Entities.Template", "DefaultDockerImageId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("DefaultDockerImage");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateDockerImage", b =>
+                {
+                    b.HasOne("MoonlightServers.Api.Infrastructure.Database.Entities.Template", "Template")
+                        .WithMany("DockerImages")
+                        .HasForeignKey("TemplateId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Template");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.TemplateVariable", b =>
+                {
+                    b.HasOne("MoonlightServers.Api.Infrastructure.Database.Entities.Template", "Template")
+                        .WithMany("Variables")
+                        .HasForeignKey("TemplateId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Template");
+                });
+
+            modelBuilder.Entity("MoonlightServers.Api.Infrastructure.Database.Entities.Template", b =>
+                {
+                    b.Navigation("DockerImages");
+
+                    b.Navigation("Variables");
+                });
 #pragma warning restore 612, 618
         }
     }

MoonlightServers.Api/MoonlightServers.Api.csproj

@@ -12,6 +12,8 @@
     </ItemGroup>
 
     <ItemGroup>
+        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.3" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="10.0.3" />
         <PackageReference Include="Moonlight.Api" Version="2.1.0">
             <ExcludeAssets>content;contentfiles</ExcludeAssets>
         </PackageReference>

MoonlightServers.Api/Startup.cs

@@ -4,6 +4,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Moonlight.Api;
 using MoonlightServers.Api.Admin.Nodes;
+using MoonlightServers.Api.Admin.Templates;
 using MoonlightServers.Api.Infrastructure.Configuration;
 using MoonlightServers.Api.Infrastructure.Database;
 using MoonlightServers.Api.Infrastructure.Implementations.NodeToken;
@@ -29,6 +30,10 @@ public class Startup : MoonlightPlugin
         builder.Services.AddDbContext<DataContext>();
         builder.Services.AddHostedService<DbMigrationService>();
 
+        builder.Services.AddScoped<TemplateTransferService>();
+        builder.Services.AddScoped<PterodactylEggImportService>();
+        builder.Services.AddScoped<PelicanEggImportService>();
+
         builder.Services.AddSingleton<NodeService>();
 
         var nodeTokenOptions = new NodeTokenOptions();

MoonlightServers.Frontend/Admin/Index.razor

@@ -0,0 +1,75 @@
+@page "/admin/servers"
+
+@using LucideBlazor
+@using MoonlightServers.Shared
+@using ShadcnBlazor.Tab
+
+@inject IAuthorizationService AuthorizationService
+@inject NavigationManager Navigation
+
+@attribute [Authorize(Policy = Permissions.Servers.View)]
+
+<Tabs DefaultValue="@(Tab ?? "servers")" OnValueChanged="OnTabChanged">
+    <TabsList ClassName="inline-flex w-full lg:w-fit justify-start overflow-x-auto overflow-y-hidden">
+        <TabsTrigger Value="servers" Disabled="@(!ServersAccess.Succeeded)">
+            <ContainerIcon />
+            Servers
+        </TabsTrigger>
+        <TabsTrigger Value="nodes" Disabled="@(!NodesAccess.Succeeded)">
+            <ServerIcon />
+            Nodes
+        </TabsTrigger>
+        <TabsTrigger Value="templates" Disabled="@(!TemplatesAccess.Succeeded)">
+            <Package2Icon />
+            Templates
+        </TabsTrigger>
+        <TabsTrigger Value="manager" Disabled="@(!NodesAccess.Succeeded)">
+            <TableIcon />
+            Manager
+        </TabsTrigger>
+    </TabsList>
+    @if (ServersAccess.Succeeded)
+    {
+        <TabsContent Value="servers">
+            
+        </TabsContent>
+    }
+    
+    @if (NodesAccess.Succeeded)
+    {
+        <TabsContent Value="nodes">
+            <MoonlightServers.Frontend.Admin.Nodes.Overview />
+        </TabsContent>
+    }
+    
+    @if (TemplatesAccess.Succeeded)
+    {
+        <TabsContent Value="templates">
+            <MoonlightServers.Frontend.Admin.Templates.Overview />
+        </TabsContent>
+    }
+</Tabs>
+
+@code
+{
+    [Parameter]
+    [SupplyParameterFromQuery(Name = "tab")]
+    public string? Tab { get; set; }
+    
+    [CascadingParameter] public Task<AuthenticationState> AuthState { get; set; }
+
+    private AuthorizationResult ServersAccess;
+    private AuthorizationResult NodesAccess;
+    private AuthorizationResult TemplatesAccess;
+    
+    protected override async Task OnInitializedAsync()
+    {
+        var authState = await AuthState;
+
+        ServersAccess = await AuthorizationService.AuthorizeAsync(authState.User, Permissions.Servers.View);
+        NodesAccess = await AuthorizationService.AuthorizeAsync(authState.User, Permissions.Nodes.View);
+        TemplatesAccess = await AuthorizationService.AuthorizeAsync(authState.User, Permissions.Templates.View);
+    }
+
+    private void OnTabChanged(string tab) => Navigation.NavigateTo($"/admin/servers?tab={tab}");
+}

MoonlightServers.Frontend/Admin/Nodes/Create.razor

@@ -27,7 +27,7 @@
         <div class="flex flex-row gap-x-1.5">
             <Button Variant="ButtonVariant.Secondary">
                 <Slot>
-                    <a href="/admin/servers/nodes" @attributes="context">
+                    <a href="/admin/servers?tab=nodes" @attributes="context">
                         <ChevronLeftIcon/>
                         Back
                     </a>
@@ -50,7 +50,7 @@
 
                     <FieldSet>
                         <FieldGroup>
-                            <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-5">
+                            <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
                                 <Field>
                                     <FieldLabel for="nodeName">Name</FieldLabel>
                                     <TextInputField
@@ -98,7 +98,7 @@
             $"Successfully created node {Request.Name}"
         );
 
-        Navigation.NavigateTo("/admin/servers/nodes");
+        Navigation.NavigateTo("/admin/servers?tab=nodes");
         return true;
     }
 }

MoonlightServers.Frontend/Admin/Nodes/Edit.razor

@@ -47,7 +47,7 @@
                 <div class="flex flex-row gap-x-1.5">
                     <Button Variant="ButtonVariant.Secondary">
                         <Slot>
-                            <a href="/admin/servers/nodes" @attributes="context">
+                            <a href="/admin/servers?tab=nodes" @attributes="context">
                                 <ChevronLeftIcon/>
                                 Back
                             </a>
@@ -70,7 +70,7 @@
 
                             <FieldSet>
                                 <FieldGroup>
-                                    <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-5">
+                                    <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
                                         <Field>
                                             <FieldLabel for="nodeName">Name</FieldLabel>
                                             <TextInputField
@@ -148,7 +148,7 @@
             $"Successfully updated node {Request.Name}"
         );
 
-        Navigation.NavigateTo("/admin/servers/nodes");
+        Navigation.NavigateTo("/admin/servers?tab=nodes");
         return true;
     }
 }

MoonlightServers.Frontend/Admin/Nodes/Overview.razor

@@ -1,5 +1,3 @@
-@page "/admin/servers/nodes"
-
 @using LucideBlazor
 @using Moonlight.Shared.Http.Requests
 @using Moonlight.Shared.Http.Responses
@@ -15,7 +13,6 @@
 
 @inject HttpClient HttpClient
 @inject AlertDialogService AlertDialogService
-@inject DialogService DialogService
 @inject ToastService ToastService
 @inject NavigationManager NavigationManager
 @inject IAuthorizationService AuthorizationService
@@ -61,7 +58,6 @@
             </CellTemplate>
         </TemplateColumn>
         <PropertyColumn Title="HTTP Endpoint"
-                        Identifier="@nameof(NodeDto.HttpEndpointUrl)"
                         Field="u => u.HttpEndpointUrl"/>
         <TemplateColumn>
             <CellTemplate>

MoonlightServers.Frontend/Admin/Templates/ConfigFileMappingEditor.razor

@@ -0,0 +1,78 @@
+@using LucideBlazor
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Inputs
+@using ShadcnBlazor.Tabels
+
+@inherits Editor<List<MoonlightServers.Shared.Admin.Templates.UpdateConfigurationFileMappingDto>>
+
+<div class="rounded-md bg-card shadow-sm border">
+    <Table>
+        <TableHeader>
+            <TableRow>
+                <TableHead>
+                    Key
+                </TableHead>
+                <TableHead>
+                    Value
+                </TableHead>
+                <TableHead ClassName="w-10"/>
+            </TableRow>
+        </TableHeader>
+        <TableBody>
+            @foreach (var mapping in Value)
+            {
+                <TableRow @key="mapping">
+                    <TableCell>
+                        <TextInputField @bind-Value="mapping.Key"
+                                        placeholder="server-port"/>
+                    </TableCell>
+                    <TableCell>
+                        <TextInputField @bind-Value="mapping.Value"
+                                        placeholder="{{SERVER_PORT}}"/>
+                    </TableCell>
+                    <TableCell ClassName="text-right pr-4">
+                        <Button @onclick="() => DeleteAsync(mapping)"
+                                Size="ButtonSize.Icon"
+                                Variant="ButtonVariant.Destructive">
+                            <Trash2Icon/>
+                        </Button>
+                    </TableCell>
+                </TableRow>
+            }
+            <TableRow>
+                <TableCell colspan="999999">
+                    <div class="flex justify-end">
+                        <Button
+                            @onclick="AddAsync"
+                            Variant="ButtonVariant.Outline"
+                            Size="ButtonSize.Sm">
+                            <PlusIcon/>
+                            Add Mapping
+                        </Button>
+                    </div>
+                </TableCell>
+            </TableRow>
+        </TableBody>
+    </Table>
+</div>
+
+@code
+{
+    private async Task DeleteAsync(UpdateConfigurationFileMappingDto mappingDto)
+    {
+        Value.Remove(mappingDto);
+        await ValueChanged.InvokeAsync(Value);
+    }
+
+    private async Task AddAsync()
+    {
+        Value.Add(new UpdateConfigurationFileMappingDto()
+        {
+            Key = "Change me",
+            Value = "{{CHANGE_ME}}"
+        });
+
+        await ValueChanged.InvokeAsync(Value);
+    }
+}

MoonlightServers.Frontend/Admin/Templates/ConfigFilesEditor.razor

@@ -0,0 +1,76 @@
+@using LucideBlazor
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Accordions
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Inputs
+
+<div class="mb-5 flex justify-end">
+    <Button @onclick="Add">
+        <PlusIcon/>
+        Create
+    </Button>
+</div>
+
+<div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
+    @foreach (var file in FilesConfig.ConfigurationFiles)
+    {
+        <Accordion ClassName="-space-y-px" Type="AccordionType.Single">
+            <AccordionItem
+                ClassName="overflow-hidden border bg-card px-4 first:rounded-t-lg last:rounded-b-lg last:border-b"
+                Value="element">
+                <AccordionTrigger ClassName="hover:no-underline">
+                    <div class="flex items-center gap-3">
+                        <FileCogIcon/>
+                        <span class="text-left">@file.Path</span>
+                    </div>
+                </AccordionTrigger>
+                <AccordionContent ClassName="ps-7">
+                    <FieldGroup>
+                        <FieldSet>
+                            <Field>
+                                @{
+                                    var id = $"configFilePath{file.GetHashCode()}";
+                                }
+                                <FieldLabel for="@id">Path</FieldLabel>
+                                <TextInputField
+                                    @bind-Value="file.Path"
+                                    id="@id"/>
+                            </Field>
+
+                            <Field>
+                                @{
+                                    var id = $"configFileParser{file.GetHashCode()}";
+                                }
+                                <FieldLabel for="@id">Parser</FieldLabel>
+                                <TextInputField
+                                    @bind-Value="file.Parser"
+                                    id="@id"/>
+                            </Field>
+                        </FieldSet>
+                        <FieldSet>
+                            <ConfigFileMappingEditor @bind-Value="file.Mappings" />
+                        </FieldSet>
+                        <Field Orientation="FieldOrientation.Horizontal" ClassName="justify-end">
+                            <Button Variant="ButtonVariant.Destructive"
+                                    @onclick="() => Delete(file)">
+                                Delete
+                            </Button>
+                        </Field>
+                    </FieldGroup>
+                </AccordionContent>
+            </AccordionItem>
+        </Accordion>
+    }
+</div>
+
+@code
+{
+    [Parameter] public UpdateFilesConfigDto FilesConfig { get; set; }
+
+    private void Add()
+        => FilesConfig.ConfigurationFiles.Add(new());
+
+    private void Delete(UpdateConfigurationFileDto dto)
+        => FilesConfig.ConfigurationFiles.Remove(dto);
+}

MoonlightServers.Frontend/Admin/Templates/Create.razor

@@ -0,0 +1,132 @@
+@page "/admin/servers/templates/create"
+
+@using LucideBlazor
+@using Moonlight.Frontend.Helpers
+@using MoonlightServers.Shared
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Cards
+@using ShadcnBlazor.Extras.Forms
+@using ShadcnBlazor.Extras.Toasts
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Inputs
+@using ShadcnBlazor.Tab
+
+@inject HttpClient HttpClient
+@inject NavigationManager Navigation
+@inject ToastService ToastService
+
+<EnhancedEditForm Model="Request" OnValidSubmit="OnSubmitAsync" Context="formContext">
+
+    <div class="flex flex-row justify-between">
+        <div class="flex flex-col">
+            <h1 class="text-xl font-semibold">Create Template</h1>
+            <div class="text-muted-foreground">
+                Create a new template
+            </div>
+        </div>
+        <div class="flex flex-row gap-x-1.5">
+            <Button Variant="ButtonVariant.Secondary">
+                <Slot>
+                    <a href="/admin/servers?tab=templates" @attributes="context">
+                        <ChevronLeftIcon/>
+                        Back
+                    </a>
+                </Slot>
+            </Button>
+            <SubmitButton>
+                <CheckIcon/>
+                Continue
+            </SubmitButton>
+        </div>
+    </div>
+
+    <DataAnnotationsValidator/>
+
+    <div class="mt-8">
+        <Card>
+            <CardContent>
+                <FieldGroup>
+                    <FormValidationSummary/>
+
+                    <FieldSet>
+                        <FieldGroup>
+                            <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
+                                <Field>
+                                    <FieldLabel for="templateName">Name</FieldLabel>
+                                    <TextInputField
+                                        @bind-Value="Request.Name"
+                                        id="templateName"/>
+                                </Field>
+
+                                <Field>
+                                    <FieldLabel for="templateAuthor">Author</FieldLabel>
+                                    <TextInputField
+                                        @bind-Value="Request.Author"
+                                        id="templateAuthor"/>
+                                </Field>
+
+                                <Field>
+                                    <FieldLabel for="templateVersion">Version</FieldLabel>
+                                    <TextInputField
+                                        @bind-Value="Request.Version"
+                                        id="templateVersion"/>
+                                </Field>
+
+                                <Field ClassName="col-span-1 lg:col-span-2 xl:col-span-3">
+                                    <FieldLabel for="templateDescription">Description</FieldLabel>
+                                    <TextareaInputField
+                                        @bind-Value="Request.Description"
+                                        id="templateDescription"/>
+                                </Field>
+                                
+                                <Field>
+                                    <FieldLabel for="templateDonateUrl">Donate URL</FieldLabel>
+                                    <TextInputField
+                                        @bind-Value="Request.DonateUrl"
+                                        id="templateDonateUrl"/>
+                                </Field>
+
+                                <Field>
+                                    <FieldLabel for="templateUpdateUrl">Update URL</FieldLabel>
+                                    <TextInputField
+                                        @bind-Value="Request.UpdateUrl"
+                                        id="templateUpdateUrl"/>
+                                </Field>
+                            </div>
+                        </FieldGroup>
+                    </FieldSet>
+                </FieldGroup>
+            </CardContent>
+        </Card>
+    </div>
+
+</EnhancedEditForm>
+
+@code
+{
+    private CreateTemplateDto Request = new();
+
+    private async Task<bool> OnSubmitAsync(EditContext context, ValidationMessageStore validationMessageStore)
+    {
+        var response = await HttpClient.PostAsJsonAsync(
+            "/api/admin/servers/templates",
+            Request,
+            SerializationContext.Default.Options
+        );
+
+        if (!response.IsSuccessStatusCode)
+        {
+            await ProblemDetailsHelper.HandleProblemDetailsAsync(response, Request, validationMessageStore);
+            return false;
+        }
+
+        await ToastService.SuccessAsync(
+            "Template Creation",
+            $"Successfully created template {Request.Name}"
+        );
+
+        Navigation.NavigateTo("/admin/servers?tab=templates");
+        return true;
+    }
+}

MoonlightServers.Frontend/Admin/Templates/CreateDockerImageDialog.razor

@@ -0,0 +1,95 @@
+@using Moonlight.Frontend.Helpers
+@using MoonlightServers.Shared
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Dialogs
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Extras.Forms
+@using ShadcnBlazor.Extras.Toasts
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Inputs
+@using ShadcnBlazor.Switches
+
+@inherits ShadcnBlazor.Extras.Dialogs.DialogBase
+
+@inject HttpClient HttpClient
+@inject ToastService ToastService
+
+<DialogHeader>
+    <DialogTitle>Create Docker Image</DialogTitle>
+    <DialogDescription>
+        Create a new docker image
+    </DialogDescription>
+</DialogHeader>
+<EnhancedEditForm @ref="Form" Model="Model" OnValidSubmit="OnValidSubmitAsync">
+    <FieldGroup>
+        <DataAnnotationsValidator/>
+        <FormValidationSummary/>
+        
+        <FieldSet>
+            <Field>
+                <FieldLabel for="dockerImageDisplayName">Display Name</FieldLabel>
+                <TextInputField
+                    @bind-Value="Model.DisplayName"
+                    id="dockerImageDisplayName"/>
+            </Field>
+
+            <Field>
+                <FieldLabel for="dockerImageIdentifier">Image Name</FieldLabel>
+                <TextInputField
+                    @bind-Value="Model.ImageName"
+                    id="dockerImageIdentifier"/>
+            </Field>
+
+            <Field>
+                <FieldLabel for="dockerImageSkipPulling">Skip Pulling</FieldLabel>
+                <Switch id="dockerImageSkipPulling" @bind-Value="Model.SkipPulling" />
+            </Field>
+        </FieldSet>
+    </FieldGroup>
+</EnhancedEditForm>
+<DialogFooter>
+    <DialogClose>
+        <Slot>
+            <Button Type="button" Variant="ButtonVariant.Outline" @attributes="context">
+                Cancel
+            </Button>
+        </Slot>
+    </DialogClose>
+    <Button @onclick="() => Form.SubmitAsync()" Type="button">
+        Save
+    </Button>
+</DialogFooter>
+
+@code
+{
+    [Parameter] public DetailedTemplateDto Template { get; set; }
+    [Parameter] public Func<Task> OnSubmit { get; set; }
+
+    private CreateDockerImageDto Model = new();
+    private EnhancedEditForm Form;
+
+    private async Task<bool> OnValidSubmitAsync(EditContext editContext, ValidationMessageStore validationMessageStore)
+    {
+        var response = await HttpClient.PostAsJsonAsync(
+            $"api/admin/servers/templates/{Template.Id}/dockerImages",
+            Model,
+            SerializationContext.Default.Options
+        );
+
+        if (!response.IsSuccessStatusCode)
+        {
+            await ProblemDetailsHelper.HandleProblemDetailsAsync(response, Model, validationMessageStore);
+            return false;
+        }
+
+        await OnSubmit.Invoke();
+        
+        await ToastService.SuccessAsync(
+            "Docker Image Creation",
+            $"Successfully created variable {Model.DisplayName}"
+        );
+
+        await CloseAsync();
+        return true;
+    }
+}

MoonlightServers.Frontend/Admin/Templates/CreateVariableDialog.razor

@@ -0,0 +1,103 @@
+@using Moonlight.Frontend.Helpers
+@using MoonlightServers.Shared
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Dialogs
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Extras.Forms
+@using ShadcnBlazor.Extras.Toasts
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Inputs
+
+@inherits ShadcnBlazor.Extras.Dialogs.DialogBase
+
+@inject HttpClient HttpClient
+@inject ToastService ToastService
+
+<DialogHeader>
+    <DialogTitle>Create Variable</DialogTitle>
+    <DialogDescription>
+        Create a new variable
+    </DialogDescription>
+</DialogHeader>
+<EnhancedEditForm @ref="Form" Model="Model" OnValidSubmit="OnValidSubmitAsync">
+    <FieldGroup>
+        <DataAnnotationsValidator/>
+        <FormValidationSummary/>
+        
+        <FieldSet>
+            <Field>
+                <FieldLabel for="variableDisplayName">Display Name</FieldLabel>
+                <TextInputField
+                    @bind-Value="Model.DisplayName"
+                    id="variableDisplayName"/>
+            </Field>
+            
+            <Field>
+                <FieldLabel for="variableDescription">Description</FieldLabel>
+                <TextareaInputField
+                    @bind-Value="Model.Description"
+                    id="variableDescription"/>
+            </Field>
+
+            <Field>
+                <FieldLabel for="variableKey">Key</FieldLabel>
+                <TextInputField
+                    @bind-Value="Model.EnvName"
+                    id="variableKey"/>
+            </Field>
+
+            <Field>
+                <FieldLabel for="variableDefaultValue">Default Value</FieldLabel>
+                <TextInputField
+                    @bind-Value="Model.DefaultValue"
+                    id="variableDefaultValue"/>
+            </Field>
+        </FieldSet>
+    </FieldGroup>
+</EnhancedEditForm>
+<DialogFooter>
+    <DialogClose>
+        <Slot>
+            <Button Type="button" Variant="ButtonVariant.Outline" @attributes="context">
+                Cancel
+            </Button>
+        </Slot>
+    </DialogClose>
+    <Button @onclick="() => Form.SubmitAsync()" Type="button">
+        Save
+    </Button>
+</DialogFooter>
+
+@code
+{
+    [Parameter] public DetailedTemplateDto Template { get; set; }
+    [Parameter] public Func<Task> OnSubmit { get; set; }
+
+    private CreateVariableDto Model = new();
+    private EnhancedEditForm Form;
+
+    private async Task<bool> OnValidSubmitAsync(EditContext editContext, ValidationMessageStore validationMessageStore)
+    {
+        var response = await HttpClient.PostAsJsonAsync(
+            $"api/admin/servers/templates/{Template.Id}/variables",
+            Model,
+            SerializationContext.Default.Options
+        );
+
+        if (!response.IsSuccessStatusCode)
+        {
+            await ProblemDetailsHelper.HandleProblemDetailsAsync(response, Model, validationMessageStore);
+            return false;
+        }
+
+        await OnSubmit.Invoke();
+        
+        await ToastService.SuccessAsync(
+            "Variable Creation",
+            $"Successfully created variable {Model.DisplayName}"
+        );
+
+        await CloseAsync();
+        return true;
+    }
+}

MoonlightServers.Frontend/Admin/Templates/DockerImageListEditor.razor

@@ -0,0 +1,264 @@
+@using System.Text.Json
+@using LucideBlazor
+@using Moonlight.Shared.Http.Responses
+@using MoonlightServers.Shared
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Extras.Common
+@using ShadcnBlazor.Extras.Toasts
+@using ShadcnBlazor.Inputs
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Cards
+@using ShadcnBlazor.Extras.AlertDialogs
+@using ShadcnBlazor.Extras.Dialogs
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Selects
+@using ShadcnBlazor.Switches
+@using ShadcnBlazor.Tabels
+
+@inject HttpClient HttpClient
+@inject ToastService ToastService
+@inject AlertDialogService AlertDialogService
+@inject DialogService DialogService
+
+<LazyLoader @ref="LazyLoader" Load="LoadAsync">
+    <Card ClassName="mb-5">
+        <CardContent>
+            <FieldGroup>
+                <FieldSet>
+                    <FieldGroup>
+                        <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
+                            <Field>
+                                <FieldLabel for="templateAllowUserDockerImageChange">Allow User Docker Image Change
+                                </FieldLabel>
+                                <Switch
+                                    @bind-Value="Request.AllowUserDockerImageChange"
+                                    id="templateAllowUserDockerImageChange"/>
+                            </Field>
+
+                            <Field>
+                                <FieldLabel>Default Docker Image</FieldLabel>
+                                <Select @bind-Value="DefaultDockerImageBinder">
+                                    <SelectTrigger>
+                                        <SelectValue Placeholder="Select a docker image" />
+                                    </SelectTrigger>
+                                    <SelectContent>
+                                        @foreach (var (id, dockerImage) in DockerImages)
+                                        {
+                                            <SelectItem Value="@id.ToString()">
+                                                @dockerImage.DisplayName
+                                            </SelectItem>
+                                        }
+                                    </SelectContent>
+                                </Select>
+                            </Field>
+                        </div>
+                    </FieldGroup>
+                </FieldSet>
+            </FieldGroup>
+        </CardContent>
+    </Card>
+
+    <div class="overflow-hidden rounded-md border bg-card shadow-sm">
+        <Table>
+            <TableHeader>
+                <TableRow>
+                    <TableHead>
+                        Display Name
+                    </TableHead>
+                    <TableHead>
+                        Identifier
+                    </TableHead>
+                    <TableHead>
+                        Skip Pulling
+                    </TableHead>
+                    <TableHead ClassName="w-10"/>
+                </TableRow>
+            </TableHeader>
+            <TableBody>
+                @foreach (var (id, dockerImage) in DockerImages)
+                {
+                    <TableRow
+                        @key="dockerImage">
+                        <TableCell>
+                            <TextInputField
+                                @bind-Value="dockerImage.DisplayName"
+                                placeholder="Default Image"/>
+                        </TableCell>
+                        <TableCell>
+                            <TextInputField
+                                @bind-Value="dockerImage.ImageName"
+                                placeholder="debian:latest"/>
+                        </TableCell>
+                        <TableCell>
+                            <Switch @bind-Value="dockerImage.SkipPulling"/>
+                        </TableCell>
+                        <TableCell ClassName="text-right pr-4">
+                            <Button @onclick="() => UpdateAsync(id, dockerImage)"
+                                    Size="ButtonSize.Icon"
+                                    Variant="ButtonVariant.Outline">
+                                <SaveIcon/>
+                            </Button>
+                            <Button @onclick="() => DeleteAsync(id, dockerImage)"
+                                    Size="ButtonSize.Icon"
+                                    Variant="ButtonVariant.Destructive">
+                                <Trash2Icon/>
+                            </Button>
+                        </TableCell>
+                    </TableRow>
+                }
+                <TableRow>
+                    <TableCell colspan="999999">
+                        <div class="flex justify-end">
+                            <Button
+                                @onclick="AddAsync"
+                                Variant="ButtonVariant.Outline"
+                                Size="ButtonSize.Sm">
+                                <PlusIcon/>
+                                Add
+                            </Button>
+                        </div>
+                    </TableCell>
+                </TableRow>
+            </TableBody>
+        </Table>
+    </div>
+</LazyLoader>
+
+@code
+{
+    [Parameter] public DetailedTemplateDto Template { get; set; }
+    [Parameter] public UpdateTemplateDto Request { get; set; }
+
+    private readonly List<(int, UpdateDockerImageDto)> DockerImages = new();
+    private LazyLoader LazyLoader;
+
+    private string? DefaultDockerImageBinder
+    {
+        get => Request.DefaultDockerImageId?.ToString();
+        set
+        {
+            if (int.TryParse(value, out var intValue))
+                Request.DefaultDockerImageId = intValue;
+            else
+                Request.DefaultDockerImageId = null;
+        }
+    }
+
+    private async Task LoadAsync(LazyLoader _)
+    {
+        DockerImages.Clear();
+
+        var totalAmount = 0;
+        var currentIndex = 0;
+        const int pageSize = 50;
+
+        do
+        {
+            var dockerImages = await HttpClient.GetFromJsonAsync<PagedData<DockerImageDto>>(
+                $"api/admin/servers/templates/{Template.Id}/dockerImages?startIndex={currentIndex}&length={pageSize}"
+            );
+
+            if (dockerImages == null)
+                continue;
+
+            currentIndex += dockerImages.Data.Length;
+            totalAmount = dockerImages.TotalLength;
+
+            DockerImages.AddRange(dockerImages.Data.Select(x => (x.Id, new UpdateDockerImageDto()
+            {
+                DisplayName = x.DisplayName,
+                ImageName = x.ImageName,
+                SkipPulling = x.SkipPulling
+            })));
+        } while (DockerImages.Count < totalAmount);
+    }
+
+    private async Task DeleteAsync(int id, UpdateDockerImageDto dto)
+    {
+        await AlertDialogService.ConfirmDangerAsync(
+            "Docker Image Deletion",
+            $"Do you really want to delete the docker image {dto.DisplayName}? This cannot be undone",
+            async () =>
+            {
+                var response = await HttpClient.DeleteAsync($"api/admin/servers/templates/{Template.Id}/dockerImages/{id}");
+                response.EnsureSuccessStatusCode();
+
+                await ToastService.SuccessAsync(
+                    "Docker Image Deletion",
+                    $"Successfully deleted docker image {dto.DisplayName}"
+                );
+
+                await LazyLoader.ReloadAsync();
+            }
+        );
+    }
+
+    private async Task UpdateAsync(int id, UpdateDockerImageDto dto)
+    {
+        var response = await HttpClient.PutAsJsonAsync(
+            $"api/admin/servers/templates/{Template.Id}/dockerImages/{id}",
+            dto,
+            SerializationContext.Default.Options
+        );
+
+        if (!response.IsSuccessStatusCode)
+        {
+            try
+            {
+                var problemDetails = await response.Content.ReadFromJsonAsync<ProblemDetails>(
+                    Moonlight.Shared.Http.SerializationContext.Default.Options
+                );
+
+                if (problemDetails == null)
+                {
+                    // Fallback
+                    response.EnsureSuccessStatusCode();
+                    return;
+                }
+
+                if (problemDetails.Errors is { Count: > 0 })
+                {
+                    var errorMessages = string.Join(
+                        ", ",
+                        problemDetails.Errors.Select(x => $"{x.Key}: {x.Value.FirstOrDefault()}")
+                    );
+
+                    await ToastService.ErrorAsync(
+                        "Docker Image Update",
+                        $"{problemDetails.Detail ?? problemDetails.Title} {errorMessages}"
+                    );
+                }
+                else
+                {
+                    await ToastService.ErrorAsync(
+                        "Docker Image Update",
+                        $"{problemDetails.Detail ?? problemDetails.Title}"
+                    );
+                }
+
+                return;
+            }
+            catch (JsonException)
+            {
+                // Fallback if unable to deserialize
+                response.EnsureSuccessStatusCode();
+            }
+        }
+
+        await ToastService.SuccessAsync(
+            "Docker Image Update",
+            $"Successfully updated docker image {dto.DisplayName}"
+        );
+
+        await LazyLoader.ReloadAsync();
+    }
+
+    private async Task AddAsync()
+    {
+        await DialogService.LaunchAsync<CreateDockerImageDialog>(parameters =>
+        {
+            parameters[nameof(CreateDockerImageDialog.Template)] = Template;
+            parameters[nameof(CreateDockerImageDialog.OnSubmit)] = async () => { await LazyLoader.ReloadAsync(); };
+        });
+    }
+}

MoonlightServers.Frontend/Admin/Templates/OnlineTextEditor.razor

@@ -0,0 +1,78 @@
+@using LucideBlazor
+@using ShadcnBlazor.Inputs
+@using ShadcnBlazor.Tabels
+@using ShadcnBlazor.Buttons
+
+@inherits Editor<List<string>>
+
+<div class="rounded-md bg-card shadow-sm border">
+    <Table>
+        <TableHeader>
+            <TableRow>
+                <TableHead>
+                    Online Text
+                </TableHead>
+                <TableHead ClassName="w-10"/>
+            </TableRow>
+        </TableHeader>
+        <TableBody>
+            @foreach (var command in Value)
+            {
+                <TableRow
+                    @key="command">
+                    <TableCell>
+                        <TextInputField Value="@command"
+                                        ValueExpression="() => command" disabled/>
+                    </TableCell>
+                    <TableCell ClassName="text-right pr-4">
+                        <Button @onclick="() => DeleteAsync(command)"
+                                Size="ButtonSize.Icon"
+                                Variant="ButtonVariant.Destructive">
+                            <Trash2Icon/>
+                        </Button>
+                    </TableCell>
+                </TableRow>
+            }
+            <TableRow>
+                <TableCell colspan="999999">
+                    <div class="flex justify-end gap-1">
+                        <TextInputField ClassName="h-8"
+                                        @bind-Value="Input"
+                                        placeholder="Enter text..." />
+                        <Button
+                            @onclick="AddAsync"
+                            Variant="ButtonVariant.Outline"
+                            Size="ButtonSize.Sm">
+                            <PlusIcon/>
+                            Add Online Text
+                        </Button>
+                    </div>
+                </TableCell>
+            </TableRow>
+        </TableBody>
+    </Table>
+</div>
+
+@code
+{
+    private string Input;
+    
+    private async Task DeleteAsync(string command)
+    {
+        Value.Remove(command);
+        await ValueChanged.InvokeAsync(Value);
+    }
+
+    private async Task AddAsync()
+    {
+        if(string.IsNullOrEmpty(Input))
+            return;
+        
+        if(Value.Contains(Input))
+            return;
+        
+        Value.Add(Input);
+        Input = "";
+        await ValueChanged.InvokeAsync(Value);
+    }
+}

MoonlightServers.Frontend/Admin/Templates/Overview.razor

@@ -0,0 +1,202 @@
+@using LucideBlazor
+@using Moonlight.Shared.Http.Requests
+@using Moonlight.Shared.Http.Responses
+@using MoonlightServers.Shared
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.DataGrids
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Dropdowns
+@using ShadcnBlazor.Extras.AlertDialogs
+@using ShadcnBlazor.Extras.Toasts
+@using ShadcnBlazor.Tabels
+
+@inject HttpClient HttpClient
+@inject AlertDialogService AlertDialogService
+@inject ToastService ToastService
+@inject NavigationManager NavigationManager
+@inject IAuthorizationService AuthorizationService
+
+<InputFile OnChange="OnFileSelectedAsync" id="import-template" class="hidden" multiple accept=".yml,.yaml,.json"/>
+
+<div class="flex flex-row justify-between mt-5">
+    <div class="flex flex-col">
+        <h1 class="text-xl font-semibold">Templates</h1>
+        <div class="text-muted-foreground">
+            Manage templates
+        </div>
+    </div>
+    <div class="flex flex-row gap-x-1.5">
+        <Button Variant="ButtonVariant.Outline">
+            <Slot>
+                <label for="import-template" @attributes="context">
+                    <HardDriveUploadIcon/>
+                    Import
+                </label>
+            </Slot>
+        </Button>
+        <Button>
+            <Slot Context="buttonCtx">
+                <a @attributes="buttonCtx" href="/admin/servers/templates/create"
+                   data-disabled="@(!CreateAccess.Succeeded)">
+                    <PlusIcon/>
+                    Create
+                </a>
+            </Slot>
+        </Button>
+    </div>
+</div>
+
+<div class="mt-3">
+    <DataGrid @ref="Grid" TGridItem="TemplateDto" Loader="LoadAsync" PageSize="10" ClassName="bg-card">
+        <PropertyColumn Field="u => u.Id"/>
+        <TemplateColumn IsFilterable="true" Identifier="@nameof(TemplateDto.Name)" Title="@nameof(TemplateDto.Name)">
+            <CellTemplate>
+                <TableCell>
+                    <a class="text-primary" href="#"
+                       @onclick="() => Edit(context)" @onclick:preventDefault>
+                        @context.Name
+                    </a>
+                </TableCell>
+            </CellTemplate>
+        </TemplateColumn>
+        <TemplateColumn Title="@nameof(TemplateDto.Description)" HeadClassName="hidden lg:table-cell">
+            <CellTemplate>
+                <TableCell ClassName="hidden lg:table-cell">
+                    <div class="truncate max-w-md">@context.Description</div>
+                </TableCell>
+            </CellTemplate>
+        </TemplateColumn>
+        <PropertyColumn Field="u => u.Author"
+                        HeadClassName="hidden xl:table-cell"
+                        CellClassName="hidden xl:table-cell"/>
+        <PropertyColumn Field="u => u.Version"
+                        HeadClassName="hidden xl:table-cell"
+                        CellClassName="hidden xl:table-cell"/>
+        <TemplateColumn>
+            <CellTemplate>
+                <TableCell>
+                    <div class="flex flex-row items-center justify-end me-3">
+                        <DropdownMenu>
+                            <DropdownMenuTrigger>
+                                <Slot Context="dropdownSlot">
+                                    <Button Size="ButtonSize.IconSm" Variant="ButtonVariant.Ghost"
+                                            @attributes="dropdownSlot">
+                                        <EllipsisIcon/>
+                                    </Button>
+                                </Slot>
+                            </DropdownMenuTrigger>
+                            <DropdownMenuContent SideOffset="2">
+                                <DropdownMenuItem OnClick="() => Export(context)">
+                                    Export
+                                    <DropdownMenuShortcut>
+                                        <HardDriveDownloadIcon/>
+                                    </DropdownMenuShortcut>
+                                </DropdownMenuItem>
+                                <DropdownMenuItem OnClick="() => Edit(context)"
+                                                  Disabled="@(!EditAccess.Succeeded)">
+                                    Edit
+                                    <DropdownMenuShortcut>
+                                        <PenIcon/>
+                                    </DropdownMenuShortcut>
+                                </DropdownMenuItem>
+                                <DropdownMenuItem OnClick="() => DeleteAsync(context)"
+                                                  Variant="DropdownMenuItemVariant.Destructive"
+                                                  Disabled="@(!DeleteAccess.Succeeded)">
+                                    Delete
+                                    <DropdownMenuShortcut>
+                                        <TrashIcon/>
+                                    </DropdownMenuShortcut>
+                                </DropdownMenuItem>
+                            </DropdownMenuContent>
+                        </DropdownMenu>
+                    </div>
+                </TableCell>
+            </CellTemplate>
+        </TemplateColumn>
+    </DataGrid>
+</div>
+
+@code
+{
+    [CascadingParameter] public Task<AuthenticationState> AuthState { get; set; }
+
+    private DataGrid<TemplateDto> Grid;
+
+    private AuthorizationResult EditAccess;
+    private AuthorizationResult DeleteAccess;
+    private AuthorizationResult CreateAccess;
+
+    protected override async Task OnInitializedAsync()
+    {
+        var authState = await AuthState;
+
+        EditAccess = await AuthorizationService.AuthorizeAsync(authState.User, Permissions.Templates.Edit);
+        DeleteAccess = await AuthorizationService.AuthorizeAsync(authState.User, Permissions.Templates.Delete);
+        CreateAccess = await AuthorizationService.AuthorizeAsync(authState.User, Permissions.Templates.Create);
+    }
+
+    private async Task<DataGridResponse<TemplateDto>> LoadAsync(DataGridRequest<TemplateDto> request)
+    {
+        var query = $"?startIndex={request.StartIndex}&length={request.Length}";
+        var filterOptions = request.Filters.Count > 0 ? new FilterOptions(request.Filters) : null;
+
+        var response = await HttpClient.GetFromJsonAsync<PagedData<TemplateDto>>(
+            $"api/admin/servers/templates{query}&filterOptions={filterOptions}",
+            SerializationContext.Default.Options
+        );
+
+        return new DataGridResponse<TemplateDto>(response!.Data, response.TotalLength);
+    }
+
+    private void Edit(TemplateDto context) => NavigationManager.NavigateTo($"/admin/servers/templates/{context.Id}");
+
+    private void Export(TemplateDto dto) => NavigationManager.NavigateTo($"api/admin/servers/templates/{dto.Id}/export", true);
+
+    private async Task DeleteAsync(TemplateDto context)
+    {
+        await AlertDialogService.ConfirmDangerAsync(
+            "Template Deletion",
+            $"Do you really want to delete the template {context.Name}? This cannot be undone.",
+            async () =>
+            {
+                var response = await HttpClient.DeleteAsync($"api/admin/servers/templates/{context.Id}");
+                response.EnsureSuccessStatusCode();
+
+                await Grid.RefreshAsync();
+                
+                await ToastService.SuccessAsync(
+                    "Template Deletion",
+                    $"Successfully deleted template {context.Name}"
+                );
+
+            }
+        );
+    }
+    
+    private async Task OnFileSelectedAsync(InputFileChangeEventArgs eventArgs)
+    {
+        var files = eventArgs.GetMultipleFiles();
+
+        foreach (var browserFile in files)
+        {
+            await using var contentStream = browserFile.OpenReadStream(browserFile.Size);
+
+            var response = await HttpClient.PostAsync(
+                "api/admin/servers/templates/import",
+                new StreamContent(contentStream)
+            );
+
+            response.EnsureSuccessStatusCode();
+
+            var importedTemplate = await response
+                .Content
+                .ReadFromJsonAsync<TemplateDto>(SerializationContext.Default.Options);
+
+            if (importedTemplate == null)
+                continue;
+
+            await Grid.RefreshAsync();
+            await ToastService.SuccessAsync("Template Import", $"Successfully imported template {importedTemplate.Name}");
+        }
+    }
+}

MoonlightServers.Frontend/Admin/Templates/ScriptEditor.razor

@@ -0,0 +1,16 @@
+@using ShadcnBlazor.Extras.Editors
+
+@inherits Editor<string>
+
+<Editor @ref="Editor" Language="EditorLanguage.None" InitialValue="@Value" />
+
+@code
+{
+    private Editor Editor;
+    
+    public async Task SubmitAsync()
+    {
+        Value = await Editor.GetValueAsync();
+        await ValueChanged.InvokeAsync(Value);
+    }
+}

MoonlightServers.Frontend/Admin/Templates/StartupCommandEditor.razor

@@ -0,0 +1,78 @@
+@using LucideBlazor
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Inputs
+@using ShadcnBlazor.Tabels
+
+@inherits Editor<List<MoonlightServers.Shared.Admin.Templates.UpdateStartupCommandDto>>
+
+<div class="rounded-md bg-card shadow-sm border">
+    <Table>
+        <TableHeader>
+            <TableRow>
+                <TableHead>
+                    Display Name
+                </TableHead>
+                <TableHead>
+                    Command
+                </TableHead>
+                <TableHead ClassName="w-10"/>
+            </TableRow>
+        </TableHeader>
+        <TableBody>
+            @foreach (var command in Value)
+            {
+                <TableRow
+                    @key="command">
+                    <TableCell>
+                        <TextInputField @bind-Value="command.DisplayName"
+                                        placeholder="Default Command"/>
+                    </TableCell>
+                    <TableCell>
+                        <TextInputField @bind-Value="command.Command"
+                                        placeholder="java -Xmx{{SERVER_MEMORY}} server.jar"/>
+                    </TableCell>
+                    <TableCell ClassName="text-right pr-4">
+                        <Button @onclick="() => DeleteAsync(command)"
+                                Size="ButtonSize.Icon"
+                                Variant="ButtonVariant.Destructive">
+                            <Trash2Icon/>
+                        </Button>
+                    </TableCell>
+                </TableRow>
+            }
+            <TableRow>
+                <TableCell colspan="999999">
+                    <div class="flex justify-end">
+                        <Button
+                            @onclick="AddAsync"
+                            Variant="ButtonVariant.Outline"
+                            Size="ButtonSize.Sm">
+                            <PlusIcon/>
+                            Add Startup Command
+                        </Button>
+                    </div>
+                </TableCell>
+            </TableRow>
+        </TableBody>
+    </Table>
+</div>
+
+@code
+{
+    private async Task DeleteAsync(UpdateStartupCommandDto commandDto)
+    {
+        Value.Remove(commandDto);
+        await ValueChanged.InvokeAsync(Value);
+    }
+
+    private async Task AddAsync()
+    {
+        Value.Add(new UpdateStartupCommandDto()
+        {
+            Command = "Change me",
+            DisplayName = "Change me"
+        });
+        await ValueChanged.InvokeAsync(Value);
+    }
+}

MoonlightServers.Frontend/Admin/Templates/TemplateMapper.cs

@@ -0,0 +1,13 @@
+using System.Diagnostics.CodeAnalysis;
+using MoonlightServers.Shared.Admin.Templates;
+using Riok.Mapperly.Abstractions;
+
+namespace MoonlightServers.Frontend.Admin.Templates;
+
+[Mapper]
+[SuppressMessage("Mapper", "RMG020:No members are mapped in an object mapping")]
+[SuppressMessage("Mapper", "RMG012:No members are mapped in an object mapping")]
+public static partial class TemplateMapper
+{
+    public static partial UpdateTemplateDto ToRequest(DetailedTemplateDto dto);
+}

MoonlightServers.Frontend/Admin/Templates/Update.razor

@@ -0,0 +1,297 @@
+@page "/admin/servers/templates/{Id:int}"
+
+@using System.Net
+@using System.Text.Json
+@using LucideBlazor
+@using Moonlight.Frontend.Helpers
+@using MoonlightServers.Shared
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Cards
+@using ShadcnBlazor.Emptys
+@using ShadcnBlazor.Extras.Common
+@using ShadcnBlazor.Extras.Forms
+@using ShadcnBlazor.Extras.Toasts
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Inputs
+@using ShadcnBlazor.Tab
+
+@inject HttpClient HttpClient
+@inject NavigationManager Navigation
+@inject ToastService ToastService
+
+<LazyLoader Load="LoadAsync">
+    @if (Template == null)
+    {
+        <Empty>
+            <EmptyHeader>
+                <EmptyMedia Variant="EmptyMediaVariant.Icon">
+                    <SearchIcon/>
+                </EmptyMedia>
+                <EmptyTitle>Template not found</EmptyTitle>
+                <EmptyDescription>
+                    A template with this id cannot be found
+                </EmptyDescription>
+            </EmptyHeader>
+        </Empty>
+    }
+    else
+    {
+        <EnhancedEditForm Model="Request" OnValidSubmit="OnSubmitAsync" Context="formContext">
+
+            <div class="flex flex-row justify-between">
+                <div class="flex flex-col">
+                    <h1 class="text-xl font-semibold">Update Template</h1>
+                    <div class="text-muted-foreground">
+                        Update template @Template.Name
+                    </div>
+                </div>
+                <div class="flex flex-row gap-x-1.5">
+                    <Button Variant="ButtonVariant.Secondary">
+                        <Slot>
+                            <a href="/admin/servers?tab=templates" @attributes="context">
+                                <ChevronLeftIcon/>
+                                Back
+                            </a>
+                        </Slot>
+                    </Button>
+                    <SubmitButton>
+                        <CheckIcon/>
+                        Continue
+                    </SubmitButton>
+                </div>
+            </div>
+
+            <div class="mt-8 space-y-5">
+
+                <DataAnnotationsValidator/>
+
+                <FormValidationSummary/>
+
+                <Tabs DefaultValue="meta">
+                    <TabsList ClassName="inline-flex w-full lg:w-fit justify-start overflow-x-auto overflow-y-hidden">
+                        <TabsTrigger Value="meta">
+                            <IdCardIcon/>
+                            Meta
+                        </TabsTrigger>
+                        <TabsTrigger Value="lifecycle">
+                            <PlayIcon/>
+                            Lifecycle
+                        </TabsTrigger>
+                        <TabsTrigger Value="installation">
+                            <SquareTerminalIcon/>
+                            Installation
+                        </TabsTrigger>
+                        <TabsTrigger Value="variables">
+                            <VariableIcon/>
+                            Variables
+                        </TabsTrigger>
+                        <TabsTrigger Value="dockerImages">
+                            <ContainerIcon/>
+                            Docker Images
+                        </TabsTrigger>
+                        <TabsTrigger Value="files">
+                            <FileCogIcon/>
+                            Files
+                        </TabsTrigger>
+                    </TabsList>
+
+                    <TabsContent Value="meta">
+                        <Card>
+                            <CardContent>
+                                <FieldGroup>
+                                    <FieldSet>
+                                        <FieldGroup>
+                                            <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
+                                                <Field>
+                                                    <FieldLabel for="templateName">Name</FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.Name"
+                                                        id="templateName"/>
+                                                </Field>
+
+                                                <Field>
+                                                    <FieldLabel for="templateAuthor">Author</FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.Author"
+                                                        id="templateAuthor"/>
+                                                </Field>
+
+                                                <Field>
+                                                    <FieldLabel for="templateVersion">Version</FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.Version"
+                                                        id="templateVersion"/>
+                                                </Field>
+
+                                                <Field ClassName="col-span-1 lg:col-span-2 xl:col-span-3">
+                                                    <FieldLabel for="templateDescription">Description</FieldLabel>
+                                                    <TextareaInputField
+                                                        @bind-Value="Request.Description"
+                                                        id="templateDescription"/>
+                                                </Field>
+
+                                                <Field>
+                                                    <FieldLabel for="templateDonateUrl">Donate URL</FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.DonateUrl"
+                                                        id="templateDonateUrl"/>
+                                                </Field>
+
+                                                <Field>
+                                                    <FieldLabel for="templateUpdateUrl">Update URL</FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.UpdateUrl"
+                                                        id="templateUpdateUrl"/>
+                                                </Field>
+                                            </div>
+                                        </FieldGroup>
+                                    </FieldSet>
+                                </FieldGroup>
+                            </CardContent>
+                        </Card>
+                    </TabsContent>
+
+                    <TabsContent Value="lifecycle">
+                        <Card>
+                            <CardContent>
+                                <FieldGroup>
+                                    <FieldSet>
+                                        <FieldGroup>
+                                            <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
+                                                <Field ClassName="col-span-1 lg:col-span-2">
+                                                    <FieldLabel>Startup Commands</FieldLabel>
+                                                    <StartupCommandEditor
+                                                        @bind-Value="Request.LifecycleConfig.StartupCommands"/>
+                                                </Field>
+                                                <Field>
+                                                    <FieldLabel for="templateStopCommand">Stop Command</FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.LifecycleConfig.StopCommand"
+                                                        id="templateStopCommand"/>
+                                                </Field>
+                                                <Field ClassName="col-span-1 lg:col-span-2">
+                                                    <FieldLabel>Online Texts</FieldLabel>
+                                                    <OnlineTextEditor
+                                                        @bind-Value="Request.LifecycleConfig.OnlineLogPatterns"/>
+                                                </Field>
+                                            </div>
+                                        </FieldGroup>
+                                    </FieldSet>
+                                </FieldGroup>
+                            </CardContent>
+                        </Card>
+                    </TabsContent>
+
+                    <TabsContent Value="installation">
+                        <Card>
+                            <CardContent>
+                                <FieldGroup>
+                                    <FieldSet>
+                                        <FieldGroup>
+                                            <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
+                                                <Field>
+                                                    <FieldLabel for="templateInstallDockerImage">Docker Image
+                                                    </FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.InstallationConfig.DockerImage"
+                                                        id="templateInstallDockerImage"/>
+                                                </Field>
+
+                                                <Field>
+                                                    <FieldLabel for="templateInstallShell">Shell</FieldLabel>
+                                                    <TextInputField
+                                                        @bind-Value="Request.InstallationConfig.Shell"
+                                                        id="templateInstallShell"/>
+                                                </Field>
+
+                                                <Field ClassName="col-span-1 lg:col-span-2 xl:col-span-3">
+                                                    <FieldLabel>Script</FieldLabel>
+                                                    <ScriptEditor
+                                                        @ref="ScriptEditor"
+                                                        @bind-Value="Request.InstallationConfig.Script"/>
+                                                </Field>
+                                            </div>
+                                        </FieldGroup>
+                                    </FieldSet>
+                                </FieldGroup>
+                            </CardContent>
+                        </Card>
+                    </TabsContent>
+
+                    <TabsContent Value="variables">
+                        <VariableListEditor Template="Template"/>
+                    </TabsContent>
+
+                    <TabsContent Value="dockerImages">
+                        <DockerImageListEditor Request="Request" Template="Template"/>
+                    </TabsContent>
+
+                    <TabsContent Value="files">
+                        <ConfigFilesEditor FilesConfig="Request.FilesConfig"/>
+                    </TabsContent>
+                </Tabs>
+            </div>
+
+        </EnhancedEditForm>
+    }
+</LazyLoader>
+
+@code
+{
+    [Parameter] public int Id { get; set; }
+
+    private UpdateTemplateDto Request;
+    private DetailedTemplateDto? Template;
+
+    private ScriptEditor ScriptEditor;
+
+    private async Task LoadAsync(LazyLoader _)
+    {
+        // Meta
+        var metaResponse = await HttpClient.GetAsync($"api/admin/servers/templates/{Id}");
+
+        if (!metaResponse.IsSuccessStatusCode)
+        {
+            if (metaResponse.StatusCode == HttpStatusCode.NotFound)
+                return;
+
+            metaResponse.EnsureSuccessStatusCode();
+            return;
+        }
+
+        Template = await metaResponse.Content.ReadFromJsonAsync<DetailedTemplateDto>(
+            SerializationContext.Default.Options
+        );
+
+        if (Template == null)
+            return;
+
+        Request = TemplateMapper.ToRequest(Template);
+    }
+
+    private async Task<bool> OnSubmitAsync(EditContext context, ValidationMessageStore validationMessageStore)
+    {
+        await ScriptEditor.SubmitAsync();
+
+        var response = await HttpClient.PutAsJsonAsync(
+            $"/api/admin/servers/templates/{Id}",
+            Request,
+            SerializationContext.Default.Options
+        );
+
+        if (!response.IsSuccessStatusCode)
+        {
+            await ProblemDetailsHelper.HandleProblemDetailsAsync(response, Request, validationMessageStore);
+            return false;
+        }
+
+        await ToastService.SuccessAsync(
+            "Template Update",
+            $"Successfully updated template {Request.Name}"
+        );
+
+        Navigation.NavigateTo("/admin/servers?tab=templates");
+        return true;
+    }
+}

MoonlightServers.Frontend/Admin/Templates/VariableEditor.razor

@@ -0,0 +1,147 @@
+@using LucideBlazor
+@using Moonlight.Frontend.Helpers
+@using MoonlightServers.Shared
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Accordions
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Extras.AlertDialogs
+@using ShadcnBlazor.Extras.Forms
+@using ShadcnBlazor.Extras.Toasts
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Inputs
+
+@inject HttpClient HttpClient
+@inject ToastService ToastService
+@inject AlertDialogService AlertDialogService
+
+<Accordion ClassName="-space-y-px" Type="AccordionType.Single">
+    <AccordionItem
+        ClassName="overflow-hidden border bg-card px-4 first:rounded-t-lg last:rounded-b-lg last:border-b"
+        Value="element">
+        <AccordionTrigger ClassName="hover:no-underline">
+            <div class="flex items-center gap-3">
+                <VariableIcon/>
+                <span class="text-left">@Request.DisplayName</span>
+            </div>
+        </AccordionTrigger>
+        <AccordionContent ClassName="ps-7">
+            <EnhancedEditForm Model="Request" OnValidSubmit="OnValidSubmitAsync">
+                <FieldGroup>
+                    <DataAnnotationsValidator/>
+                    <FormValidationSummary/>
+                    
+                    <FieldSet>
+                        <Field>
+                            @{
+                                var id = $"variableDisplayName{Variable.Id}";
+                            }
+                            <FieldLabel for="@id">Display Name</FieldLabel>
+                            <TextInputField
+                                @bind-Value="Request.DisplayName"
+                                id="@id"/>
+                        </Field>
+                        
+                        <Field>
+                            @{
+                                var id = $"variableDescription{Variable.Id}";
+                            }
+                            <FieldLabel for="@id">Description</FieldLabel>
+                            <TextareaInputField
+                                @bind-Value="Request.Description"
+                                id="@id"/>
+                        </Field>
+
+                        <Field>
+                            @{
+                                var id = $"variableKey{Variable.Id}";
+                            }
+                            <FieldLabel for="@id">Key</FieldLabel>
+                            <TextInputField
+                                @bind-Value="Request.EnvName"
+                                id="@id"/>
+                        </Field>
+
+                        <Field>
+                            @{
+                                var id = $"variableDefaultValue{Variable.Id}";
+                            }
+                            <FieldLabel for="@id">Default Value</FieldLabel>
+                            <TextInputField
+                                @bind-Value="Request.DefaultValue"
+                                id="@id"/>
+                        </Field>
+                    </FieldSet>
+                    <Field Orientation="FieldOrientation.Horizontal" ClassName="justify-end">
+                        <Button Variant="ButtonVariant.Destructive" @onclick="DeleteAsync">Delete</Button>
+                        <SubmitButton>Save changes</SubmitButton>
+                    </Field>
+                </FieldGroup>
+            </EnhancedEditForm>
+        </AccordionContent>
+    </AccordionItem>
+</Accordion>
+
+@code
+{
+    [Parameter] public VariableDto Variable { get; set; }
+    [Parameter] public DetailedTemplateDto Template { get; set; }
+    [Parameter] public Func<Task> OnChanged { get; set; }
+
+    private UpdateVariableDto Request;
+
+    protected override void OnInitialized()
+    {
+        Request = new UpdateVariableDto()
+        {
+            DisplayName = Variable.DisplayName,
+            DefaultValue = Variable.DefaultValue,
+            EnvName = Variable.EnvName,
+            Description = Variable.Description
+        };
+    }
+
+    private async Task<bool> OnValidSubmitAsync(EditContext editContext, ValidationMessageStore validationMessageStore)
+    {
+        var response = await HttpClient.PutAsJsonAsync(
+            $"api/admin/servers/templates/{Template.Id}/variables/{Variable.Id}",
+            Request,
+            SerializationContext.Default.Options
+        );
+
+        if (!response.IsSuccessStatusCode)
+        {
+            await ProblemDetailsHelper.HandleProblemDetailsAsync(response, Request, validationMessageStore);
+            return false;
+        }
+
+        await ToastService.SuccessAsync(
+            "Variable Update",
+            $"Successfully updated variable {Request.DisplayName}"
+        );
+
+        await OnChanged.Invoke();
+
+        return true;
+    }
+
+    private async Task DeleteAsync()
+    {
+        await AlertDialogService.ConfirmDangerAsync(
+            "Variable Deletion",
+            $"Do you really want to delete the variable {Variable.DisplayName}? This cannot be undone",
+            async () =>
+            {
+                var response = await HttpClient.DeleteAsync($"api/admin/servers/templates/{Template.Id}/variables/{Variable.Id}");
+
+                response.EnsureSuccessStatusCode();
+
+                await ToastService.SuccessAsync(
+                    "Variable Deletion",
+                    $"Variable {Variable.DisplayName} successfully deleted"
+                );
+                
+                await OnChanged.Invoke();
+            }
+        );
+    }
+}

MoonlightServers.Frontend/Admin/Templates/VariableListEditor.razor

@@ -0,0 +1,77 @@
+@using LucideBlazor
+@using Moonlight.Shared.Http.Responses
+@using MoonlightServers.Shared.Admin.Templates
+@using ShadcnBlazor.Accordions
+@using ShadcnBlazor.Buttons
+@using ShadcnBlazor.Extras.Common
+@using ShadcnBlazor.Extras.Dialogs
+@using ShadcnBlazor.Fields
+@using ShadcnBlazor.Inputs
+
+@inject HttpClient HttpClient
+@inject DialogService DialogService
+
+<div class="flex flex-row justify-end mb-5">
+    <Button @onclick="LaunchCreateAsync">
+        <PlusIcon />
+        Create
+    </Button>
+</div>
+
+<LazyLoader @ref="LazyLoader" Load="LoadAsync">
+    <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-8">
+        @foreach (var variable in Variables)
+        {
+            <VariableEditor OnChanged="() => LazyLoader.ReloadAsync()"
+                            Template="Template"
+                            Variable="variable"
+                            @key="variable" />
+        }
+    </div>
+</LazyLoader>
+
+@code
+{
+    [Parameter] public DetailedTemplateDto Template { get; set; }
+
+    private readonly List<VariableDto> Variables = new();
+    private LazyLoader LazyLoader;
+
+    private async Task LoadAsync(LazyLoader _)
+    {
+        Variables.Clear();
+        
+        var totalAmount = 0;
+        var currentIndex = 0;
+        const int pageSize = 50;
+
+        do
+        {
+            var variables = await HttpClient.GetFromJsonAsync<PagedData<VariableDto>>(
+                $"api/admin/servers/templates/{Template.Id}/variables?startIndex={currentIndex}&length={pageSize}"
+            );
+
+            if (variables == null)
+                continue;
+
+            currentIndex += variables.Data.Length;
+            totalAmount = variables.TotalLength;
+
+            Variables.AddRange(variables.Data);
+            
+        } while (Variables.Count < totalAmount);
+    }
+
+    private async Task LaunchCreateAsync()
+    {
+        await DialogService.LaunchAsync<CreateVariableDialog>(parameters =>
+            {
+                parameters[nameof(CreateVariableDialog.Template)] = Template;
+                parameters[nameof(CreateVariableDialog.OnSubmit)] = async () =>
+                {
+                    await LazyLoader.ReloadAsync();
+                };
+            }
+        );
+    }
+}

MoonlightServers.Frontend/Infrastructure/PermissionProvider.cs

@@ -15,6 +15,18 @@ public class PermissionProvider : IPermissionProvider
                 new Permission(Permissions.Nodes.Create, "Create", "Creating new nodes"),
                 new Permission(Permissions.Nodes.Edit, "Edit", "Editing nodes"),
                 new Permission(Permissions.Nodes.Delete, "Delete", "Deleting nodes"),
+            ]),
+            new PermissionCategory("Servers - Servers", typeof(ContainerIcon), [
+                new Permission(Permissions.Servers.View, "View", "Viewing all servers"),
+                new Permission(Permissions.Servers.Create, "Create", "Creating new servers"),
+                new Permission(Permissions.Servers.Edit, "Edit", "Editing servers"),
+                new Permission(Permissions.Servers.Delete, "Delete", "Deleting servers"),
+            ]),
+            new PermissionCategory("Servers - Templates", typeof(ContainerIcon), [
+                new Permission(Permissions.Templates.View, "View", "Viewing all templates"),
+                new Permission(Permissions.Templates.Create, "Create", "Creating new templates"),
+                new Permission(Permissions.Templates.Edit, "Edit", "Editing templates"),
+                new Permission(Permissions.Templates.Delete, "Delete", "Deleting templates"),
             ])
         ]);
     }

MoonlightServers.Frontend/Infrastructure/SidebarProvider.cs

@@ -22,7 +22,7 @@ public sealed class SidebarProvider : ISidebarProvider
                 Name = "Servers",
                 IconType = typeof(ServerIcon),
                 Path = "/admin/servers",
-                Policy = Permissions.Nodes.View
+                Policy = Permissions.Servers.View
             }
         ]);
     }

MoonlightServers.Frontend/MoonlightServers.Frontend.csproj

@@ -13,6 +13,7 @@
 
     <ItemGroup>
         <PackageReference Include="Moonlight.Frontend" Version="2.1.0"/>
+        <PackageReference Include="ShadcnBlazor" Version="1.0.14"/>
     </ItemGroup>
 
     <ItemGroup>

MoonlightServers.Shared/Admin/Templates/CreateDockerImageDto.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class CreateDockerImageDto
+{
+    [Required, MaxLength(30)]
+    public string DisplayName { get; set; } = string.Empty;
+
+    [Required, MaxLength(255)]
+    public string ImageName { get; set; } = string.Empty;
+    
+    public bool SkipPulling { get; set; }
+}

MoonlightServers.Shared/Admin/Templates/CreateTemplateDto.cs

@@ -0,0 +1,24 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class CreateTemplateDto
+{
+    [Required, MaxLength(30)]
+    public string Name { get; set; } = string.Empty;
+
+    [Required, MaxLength(255)]
+    public string Description { get; set; } = string.Empty;
+
+    [Required, MaxLength(30)]
+    public string Author { get; set; } = string.Empty;
+
+    [Required, MaxLength(30)]
+    public string Version { get; set; } = string.Empty;
+
+    [MaxLength(2048)]
+    public string? UpdateUrl { get; set; }
+
+    [MaxLength(2048)]
+    public string? DonateUrl { get; set; }
+}

MoonlightServers.Shared/Admin/Templates/CreateVariableDto.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class CreateVariableDto
+{
+    [Required, MaxLength(30)]
+    public string DisplayName { get; set; } = string.Empty;
+
+    [Required, MaxLength(255)]
+    public string Description { get; set; } = string.Empty;
+
+    [Required, MaxLength(60)]
+    public string EnvName { get; set; } = string.Empty;
+
+    [MaxLength(1024)]
+    public string? DefaultValue { get; set; } = string.Empty;
+}

MoonlightServers.Shared/Admin/Templates/DetailedTemplateDto.cs

@@ -0,0 +1,17 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record DetailedTemplateDto(
+    int Id,
+    string Name,
+    string Description,
+    string Author,
+    string Version,
+    string? UpdateUrl,
+    string? DonateUrl,
+    FilesConfigDto FilesConfig,
+    LifecycleConfigDto LifecycleConfig,
+    InstallationConfigDto InstallationConfig,
+    MiscellaneousConfigDto MiscellaneousConfig,
+    bool AllowUserDockerImageChange,
+    int? DefaultDockerImageId
+);

MoonlightServers.Shared/Admin/Templates/DockerImageDto.cs

@@ -0,0 +1,8 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record DockerImageDto(
+    int Id,
+    string DisplayName,
+    string ImageName,
+    bool SkipPulling
+);

MoonlightServers.Shared/Admin/Templates/FilesConfigDto.cs

@@ -0,0 +1,20 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class FilesConfigDto
+{
+    public List<ConfigurationFileDto> ConfigurationFiles { get; set; } = new();
+}
+
+public class ConfigurationFileDto
+{
+    public string Path { get; set; }
+    public string Parser { get; set; }
+
+    public List<ConfigurationFileMappingDto> Mappings { get; set; } = new();
+}
+
+public class ConfigurationFileMappingDto
+{
+    public string Key { get; set; }
+    public string? Value { get; set; }
+}

MoonlightServers.Shared/Admin/Templates/InstallationConfigDto.cs

@@ -0,0 +1,3 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record InstallationConfigDto(string DockerImage, string Shell, string Script);

MoonlightServers.Shared/Admin/Templates/LifecycleConfigDto.cs

@@ -0,0 +1,4 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record LifecycleConfigDto(StartupCommandDto[] StartupCommands, string StopCommand, string[] OnlineLogPatterns);
+public record StartupCommandDto(string DisplayName, string Command);

MoonlightServers.Shared/Admin/Templates/MiscellaneousConfigDto.cs

@@ -0,0 +1,3 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record MiscellaneousConfigDto(bool UseLegacyStartup);

MoonlightServers.Shared/Admin/Templates/TemplateDto.cs

@@ -0,0 +1,11 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record TemplateDto(
+    int Id,
+    string Name,
+    string Description,
+    string Author,
+    string Version,
+    string? UpdateUrl,
+    string? DonateUrl
+);

MoonlightServers.Shared/Admin/Templates/UpdateDockerImageDto.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class UpdateDockerImageDto
+{
+    [Required, MaxLength(30)]
+    public string DisplayName { get; set; } = string.Empty;
+
+    [Required, MaxLength(255)]
+    public string ImageName { get; set; } = string.Empty;
+
+    public bool SkipPulling { get; set; }
+}

MoonlightServers.Shared/Admin/Templates/UpdateFilesConfigDto.cs

@@ -0,0 +1,27 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class UpdateFilesConfigDto
+{
+    public List<UpdateConfigurationFileDto> ConfigurationFiles { get; set; } = [];
+}
+
+public class UpdateConfigurationFileDto
+{
+    [Required]
+    public string Path { get; set; } = string.Empty;
+
+    [Required]
+    public string Parser { get; set; } = string.Empty;
+
+    public List<UpdateConfigurationFileMappingDto> Mappings { get; set; } = [];
+}
+
+public class UpdateConfigurationFileMappingDto
+{
+    [Required]
+    public string Key { get; set; } = string.Empty;
+
+    public string? Value { get; set; } = string.Empty;
+}

MoonlightServers.Shared/Admin/Templates/UpdateInstallationConfigDto.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class UpdateInstallationConfigDto
+{
+    [Required, MaxLength(30)] 
+    public string Shell { get; set; } = string.Empty;
+    
+    [Required, MaxLength(255)] 
+    public string DockerImage { get; set; } = string.Empty;
+    
+    [Required] 
+    public string Script { get; set; } = string.Empty;
+}

MoonlightServers.Shared/Admin/Templates/UpdateLifecycleConfigDto.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class UpdateLifecycleConfigDto
+{
+    public List<UpdateStartupCommandDto> StartupCommands { get; set; } = [];
+
+    [Required]
+    public string StopCommand { get; set; } = string.Empty;
+
+    public List<string> OnlineLogPatterns { get; set; } = [];
+}
+
+public class UpdateStartupCommandDto
+{
+    [Required]
+    public string Command { get; set; } = string.Empty;
+
+    [Required]
+    public string DisplayName { get; set; } = string.Empty;
+}

MoonlightServers.Shared/Admin/Templates/UpdateMiscellaneousConfigDto.cs

@@ -0,0 +1,6 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class UpdateMiscellaneousConfigDto
+{
+    public bool UseLegacyStartup { get; set; }
+}

MoonlightServers.Shared/Admin/Templates/UpdateTemplateDto.cs

@@ -0,0 +1,32 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class UpdateTemplateDto
+{
+    [Required, MaxLength(30)]
+    public string Name { get; set; } = string.Empty;
+
+    [Required, MaxLength(255)]
+    public string Description { get; set; } = string.Empty;
+
+    [Required, MaxLength(30)]
+    public string Author { get; set; } = string.Empty;
+
+    [Required, MaxLength(30)]
+    public string Version { get; set; } = string.Empty;
+
+    [MaxLength(2048)]
+    public string? UpdateUrl { get; set; }
+
+    [MaxLength(2048)]
+    public string? DonateUrl { get; set; }
+
+    public UpdateFilesConfigDto FilesConfig { get; set; } = new();
+    public UpdateLifecycleConfigDto LifecycleConfig { get; set; } = new();
+    public UpdateInstallationConfigDto InstallationConfig { get; set; } = new();
+    public UpdateMiscellaneousConfigDto MiscellaneousConfig { get; set; } = new();
+
+    public bool AllowUserDockerImageChange { get; set; }
+    public int? DefaultDockerImageId { get; set; }
+}

MoonlightServers.Shared/Admin/Templates/UpdateVariableDto.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public class UpdateVariableDto
+{
+    [Required, MaxLength(30)]
+    public string DisplayName { get; set; } = string.Empty;
+    
+    [Required, MaxLength(255)]
+    public string Description { get; set; }
+
+    [Required, MaxLength(60)]
+    public string EnvName { get; set; } = string.Empty;
+
+    [MaxLength(1024)]
+    public string? DefaultValue { get; set; } = string.Empty;
+}

MoonlightServers.Shared/Admin/Templates/VariableDto.cs

@@ -0,0 +1,9 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record VariableDto(
+    int Id,
+    string DisplayName,
+    string Description,
+    string EnvName,
+    string DefaultValue
+);

MoonlightServers.Shared/MoonlightServers.Shared.csproj

@@ -14,4 +14,31 @@
       <Folder Include="Client\" />
     </ItemGroup>
 
+    <ItemGroup>
+      <Compile Update="Admin\Templates\UpdateFilesConfigDto.cs">
+        <DependentUpon>UpdateTemplateDto.cs</DependentUpon>
+      </Compile>
+      <Compile Update="Admin\Templates\UpdateLifecycleConfigDto.cs">
+        <DependentUpon>UpdateTemplateDto.cs</DependentUpon>
+      </Compile>
+      <Compile Update="Admin\Templates\UpdateMiscellaneousConfigDto.cs">
+        <DependentUpon>UpdateTemplateDto.cs</DependentUpon>
+      </Compile>
+      <Compile Update="Admin\Templates\UpdateInstallationConfigDto.cs">
+        <DependentUpon>UpdateTemplateDto.cs</DependentUpon>
+      </Compile>
+      <Compile Update="Admin\Templates\FilesConfigDto.cs">
+        <DependentUpon>DetailedTemplateDto.cs</DependentUpon>
+      </Compile>
+      <Compile Update="Admin\Templates\InstallationConfigDto.cs">
+        <DependentUpon>DetailedTemplateDto.cs</DependentUpon>
+      </Compile>
+      <Compile Update="Admin\Templates\LifecycleConfigDto.cs">
+        <DependentUpon>DetailedTemplateDto.cs</DependentUpon>
+      </Compile>
+      <Compile Update="Admin\Templates\MiscellaneousConfigDto.cs">
+        <DependentUpon>DetailedTemplateDto.cs</DependentUpon>
+      </Compile>
+    </ItemGroup>
+
 </Project>

MoonlightServers.Shared/Permissions.cs

@@ -2,7 +2,8 @@ namespace MoonlightServers.Shared;
 
 public static class Permissions
 {
-    public const string Prefix = "Permissions:Servers.";
+    public const string Prefix = "Permissions:MoonlightServers.";
+    
     public static class Nodes
     {
         private const string Section = "Nodes";
@@ -12,4 +13,24 @@ public static class Permissions
         public const string Create = $"{Prefix}{Section}.{nameof(Create)}";
         public const string Delete = $"{Prefix}{Section}.{nameof(Delete)}";
     }
+    
+    public static class Servers
+    {
+        private const string Section = "Servers";
+            
+        public const string View = $"{Prefix}{Section}.{nameof(View)}";
+        public const string Edit = $"{Prefix}{Section}.{nameof(Edit)}";
+        public const string Create = $"{Prefix}{Section}.{nameof(Create)}";
+        public const string Delete = $"{Prefix}{Section}.{nameof(Delete)}";
+    }
+    
+    public static class Templates
+    {
+        private const string Section = "Templates";
+            
+        public const string View = $"{Prefix}{Section}.{nameof(View)}";
+        public const string Edit = $"{Prefix}{Section}.{nameof(Edit)}";
+        public const string Create = $"{Prefix}{Section}.{nameof(Create)}";
+        public const string Delete = $"{Prefix}{Section}.{nameof(Delete)}";
+    }
 }

MoonlightServers.Shared/SerializationContext.cs

@@ -2,6 +2,7 @@
 using System.Text.Json.Serialization;
 using Moonlight.Shared.Http.Responses;
 using MoonlightServers.Shared.Admin.Nodes;
+using MoonlightServers.Shared.Admin.Templates;
 
 namespace MoonlightServers.Shared;
 
@@ -13,6 +14,23 @@ namespace MoonlightServers.Shared;
 [JsonSerializable(typeof(NodeDto))]
 [JsonSerializable(typeof(PagedData<NodeDto>))]
 
+// - Templates
+[JsonSerializable(typeof(CreateTemplateDto))]
+[JsonSerializable(typeof(UpdateTemplateDto))]
+[JsonSerializable(typeof(TemplateDto))]
+[JsonSerializable(typeof(DetailedTemplateDto))]
+[JsonSerializable(typeof(PagedData<TemplateDto>))]
+
+ [JsonSerializable(typeof(VariableDto))]
+ [JsonSerializable(typeof(PagedData<VariableDto>))]
+ [JsonSerializable(typeof(CreateVariableDto))]
+ [JsonSerializable(typeof(UpdateVariableDto))]
+
+[JsonSerializable(typeof(DockerImageDto))]
+[JsonSerializable(typeof(PagedData<DockerImageDto>))]
+[JsonSerializable(typeof(CreateDockerImageDto))]
+[JsonSerializable(typeof(UpdateDockerImageDto))]
+
 
 [JsonSourceGenerationOptions(JsonSerializerDefaults.Web)]
 public partial class SerializationContext : JsonSerializerContext