feat(CUB-65): add multi-stage Dockerfile and .dockerignore for backend

.gitignore

@@ -3,8 +3,3 @@ obj/
 *.user
 *.suo
 .vs/
-
-# Frontend build artifacts
-frontend/dist/
-frontend/node_modules/
-frontend/.angular/

backend/API/Filters/FluentValidationFilter.cs

@@ -1,69 +0,0 @@
-using FluentValidation;
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.AspNetCore.Mvc.Filters;
-
-namespace Extrudex.API.Filters;
-
-/// <summary>
-/// Action filter that automatically validates request DTOs using FluentValidation
-/// validators registered in DI. Runs before the controller action executes.
-/// Returns 400 Bad Request with validation errors if validation fails.
-/// </summary>
-public class FluentValidationFilter : IAsyncActionFilter
-{
-    private readonly IServiceProvider _serviceProvider;
-    private readonly ILogger<FluentValidationFilter> _logger;
-
-    public FluentValidationFilter(IServiceProvider serviceProvider, ILogger<FluentValidationFilter> logger)
-    {
-        _serviceProvider = serviceProvider;
-        _logger = logger;
-    }
-
-    public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
-    {
-        foreach (var argument in context.ActionArguments.Values)
-        {
-            if (argument is null) continue;
-
-            var argumentType = argument.GetType();
-            var validatorType = typeof(IValidator<>).MakeGenericType(argumentType);
-
-            // Try to resolve a validator for this argument type
-            var validator = _serviceProvider.GetService(validatorType) as IValidator;
-            if (validator is null) continue;
-
-            _logger.LogDebug("Validating {Type} with {Validator}", argumentType.Name, validator.GetType().Name);
-
-            var validationResult = await validator.ValidateAsync(
-                new ValidationContext<object>(argument), context.HttpContext.RequestAborted);
-
-            if (!validationResult.IsValid)
-            {
-                foreach (var error in validationResult.Errors)
-                {
-                    context.ModelState.AddModelError(error.PropertyName, error.ErrorMessage);
-                }
-            }
-        }
-
-        if (!context.ModelState.IsValid)
-        {
-            var errors = context.ModelState
-                .Where(kvp => kvp.Value?.Errors.Count > 0)
-                .ToDictionary(
-                    kvp => kvp.Key,
-                    kvp => kvp.Value!.Errors.Select(e => e.ErrorMessage).ToArray());
-
-            context.Result = new BadRequestObjectResult(new
-            {
-                title = "Validation failed",
-                status = 400,
-                errors
-            });
-            return;
-        }
-
-        await next();
-    }
-}

backend/API/Validators/FilamentValidators.cs

@@ -1,108 +0,0 @@
-using Extrudex.API.DTOs.Filaments;
-using FluentValidation;
-
-namespace Extrudex.API.Validators;
-
-/// <summary>
-/// Validation rules for creating a Filament (Spool) via the /filaments route.
-/// Mirrors the domain rules enforced in the controller and ensures consistent
-/// validation regardless of the request pipeline entry point.
-/// </summary>
-public class CreateFilamentRequestValidator : AbstractValidator<CreateFilamentRequest>
-{
-    public CreateFilamentRequestValidator()
-    {
-        RuleFor(x => x.MaterialBaseId)
-            .NotEmpty().WithMessage("MaterialBaseId is required.");
-
-        RuleFor(x => x.MaterialFinishId)
-            .NotEmpty().WithMessage("MaterialFinishId is required.");
-
-        RuleFor(x => x.Brand)
-            .NotEmpty().WithMessage("Brand is required.")
-            .MaximumLength(200).WithMessage("Brand must not exceed 200 characters.");
-
-        RuleFor(x => x.ColorName)
-            .NotEmpty().WithMessage("ColorName is required.")
-            .MaximumLength(200).WithMessage("ColorName must not exceed 200 characters.");
-
-        RuleFor(x => x.ColorHex)
-            .NotEmpty().WithMessage("ColorHex is required.")
-            .Matches(@"^#[0-9A-Fa-f]{6}$").WithMessage("ColorHex must be a valid hex color code (e.g., #FF0000).");
-
-        RuleFor(x => x.WeightTotalGrams)
-            .GreaterThan(0).WithMessage("Total weight must be greater than zero.");
-
-        RuleFor(x => x.WeightRemainingGrams)
-            .GreaterThanOrEqualTo(0).WithMessage("Remaining weight must be non-negative.");
-
-        RuleFor(x => x.WeightRemainingGrams)
-            .LessThanOrEqualTo(x => x.WeightTotalGrams)
-            .WithMessage("WeightRemainingGrams cannot exceed WeightTotalGrams.");
-
-        RuleFor(x => x.FilamentDiameterMm)
-            .GreaterThan(0).WithMessage("Filament diameter must be greater than zero.");
-
-        RuleFor(x => x.SpoolSerial)
-            .NotEmpty().WithMessage("SpoolSerial is required.")
-            .MaximumLength(200).WithMessage("SpoolSerial must not exceed 200 characters.");
-
-        When(x => x.PurchasePrice.HasValue, () =>
-        {
-            RuleFor(x => x.PurchasePrice!.Value)
-                .GreaterThanOrEqualTo(0).WithMessage("Purchase price must be non-negative.");
-        });
-    }
-}
-
-/// <summary>
-/// Validation rules for updating a Filament (Spool) via the /filaments route.
-/// Enforces the same domain rules as creation, plus ensures the updated
-/// WeightRemainingGrams does not exceed the updated WeightTotalGrams.
-/// </summary>
-public class UpdateFilamentRequestValidator : AbstractValidator<UpdateFilamentRequest>
-{
-    public UpdateFilamentRequestValidator()
-    {
-        RuleFor(x => x.MaterialBaseId)
-            .NotEmpty().WithMessage("MaterialBaseId is required.");
-
-        RuleFor(x => x.MaterialFinishId)
-            .NotEmpty().WithMessage("MaterialFinishId is required.");
-
-        RuleFor(x => x.Brand)
-            .NotEmpty().WithMessage("Brand is required.")
-            .MaximumLength(200).WithMessage("Brand must not exceed 200 characters.");
-
-        RuleFor(x => x.ColorName)
-            .NotEmpty().WithMessage("ColorName is required.")
-            .MaximumLength(200).WithMessage("ColorName must not exceed 200 characters.");
-
-        RuleFor(x => x.ColorHex)
-            .NotEmpty().WithMessage("ColorHex is required.")
-            .Matches(@"^#[0-9A-Fa-f]{6}$").WithMessage("ColorHex must be a valid hex color code (e.g., #FF0000).");
-
-        RuleFor(x => x.WeightTotalGrams)
-            .GreaterThan(0).WithMessage("Total weight must be greater than zero.");
-
-        RuleFor(x => x.WeightRemainingGrams)
-            .GreaterThanOrEqualTo(0).WithMessage("Remaining weight must be non-negative.");
-
-        RuleFor(x => x.WeightRemainingGrams)
-            .LessThanOrEqualTo(x => x.WeightTotalGrams)
-            .WithMessage("WeightRemainingGrams cannot exceed WeightTotalGrams.");
-
-        RuleFor(x => x.FilamentDiameterMm)
-            .GreaterThan(0).WithMessage("Filament diameter must be greater than zero.");
-
-        RuleFor(x => x.SpoolSerial)
-            .NotEmpty().WithMessage("SpoolSerial is required.")
-            .MaximumLength(200).WithMessage("SpoolSerial must not exceed 200 characters.");
-
-        When(x => x.PurchasePrice.HasValue, () =>
-        {
-            RuleFor(x => x.PurchasePrice!.Value)
-                .GreaterThanOrEqualTo(0).WithMessage("Purchase price must be non-negative.");
-        });
-    }
-}

backend/Dockerfile

@@ -27,8 +27,4 @@ COPY --from=build /app/publish .
 # ASP.NET Core listens on 8080 by default in .NET 8+
 EXPOSE 8080
 
-# Health check against /health endpoint
-HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
-    CMD curl --fail http://localhost:8080/health || exit 1
-
 ENTRYPOINT ["dotnet", "Extrudex.dll"]

backend/Extrudex.csproj

@@ -9,7 +9,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AspNetCore.HealthChecks.NpgSql" Version="9.0.0" />
     <PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="12.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.3" />

backend/Program.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using Extrudex.API.Filters;
 using Extrudex.API.Hubs;
 using Extrudex.Domain.Interfaces;
 using Extrudex.Infrastructure.Data;
@@ -24,10 +23,7 @@ builder.Services.AddDbContext<ExtrudexDbContext>(options =>
     options.UseNpgsql(connectionString));
 
 // ── API Services ───────────────────────────────────────────
-builder.Services.AddControllers(options =>
+builder.Services.AddControllers();
-{
-    options.Filters.AddService<FluentValidationFilter>();
-});
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen(c =>
 {
@@ -54,10 +50,6 @@ builder.Services.AddSingleton<IQrCodeService, QrCodeService>();
 // Registers all validators from the API assembly into DI.
 builder.Services.AddValidatorsFromAssembly(Assembly.GetExecutingAssembly());
 
-// Register the FluentValidation action filter so validators run automatically
-// on all API controller actions before the action executes.
-builder.Services.AddScoped<FluentValidationFilter>();
-
 // ── CORS (kiosk + remote browser) ─────────────────────────
 // AllowAnyOrigin disallows credentials by spec; this is fine for
 // REST API calls. SignalR WebSockets negotiate without credentials
@@ -77,10 +69,6 @@ builder.Services.AddCors(options =>
 // ── SignalR (real-time printer updates) ────────────────────
 builder.Services.AddSignalR();
 
-// ── Health Checks ───────────────────────────────────────────
-builder.Services.AddHealthChecks()
-    .AddNpgSql(connectionString);
-
 var app = builder.Build();
 
 // ── Middleware ──────────────────────────────────────────────
@@ -97,9 +85,6 @@ app.MapControllers();
 // ── Hub Endpoints ───────────────────────────────────────────
 app.MapHub<PrinterHub>("/hubs/printer");
 
-// ── Health Check Endpoint ──────────────────────────────────
-app.MapHealthChecks("/health");
-
 app.Run();
 
 // Helper: builds a connection string from individual env vars.

deploy.sh

@@ -1,33 +0,0 @@
-#!/bin/bash
-set -e
-
-echo "🔧 Deploying Extrudex Docker runtime..."
-
-# Check if Docker Compose is available
-if ! command -v docker-compose &> /dev/null && ! docker compose version &> /dev/null; then
-    echo "❌ Docker Compose is not installed"
-    exit 1
-fi
-
-COMPOSE_CMD="docker compose"
-if command -v docker-compose &> /dev/null; then
-    COMPOSE_CMD="docker-compose"
-fi
-
-echo "📦 Building and starting services..."
-$COMPOSE_CMD -f docker-compose.dev.yml up -d --build
-
-echo "⏳ Waiting for services to become healthy..."
-sleep 10
-
-echo "✅ Deployment complete!"
-echo ""
-echo "Services running:"
-echo "  • Extrudex API: http://localhost:5080"
-echo "  • Control Center Web: http://localhost:5081"
-echo ""
-echo "To view logs:"
-echo "  $COMPOSE_CMD -f docker-compose.dev.yml logs -f"
-echo ""
-echo "To stop:"
-echo "  $COMPOSE_CMD -f docker-compose.dev.yml down"

docker-compose.dev.yml

@@ -1,40 +0,0 @@
-version: '3.8'
-
-services:
-  extrudex-api:
-    build:
-      context: ./backend
-      dockerfile: Dockerfile
-    container_name: extrudex-api
-    ports:
-      - "5080:8080"
-    environment:
-      - ASPNETCORE_ENVIRONMENT=Development
-      - ASPNETCORE_URLS=http://+:8080
-    restart: unless-stopped
-    healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
-      interval: 30s
-      timeout: 10s
-      retries: 3
-      start_period: 40s
-    networks:
-      - extrudex-network
-
-  control-center-web:
-    build:
-      context: ../Control-Center/frontend
-      dockerfile: Dockerfile
-    container_name: control-center-web
-    ports:
-      - "5081:80"
-    depends_on:
-      extrudex-api:
-        condition: service_healthy
-    restart: unless-stopped
-    networks:
-      - extrudex-network
-
-networks:
-  extrudex-network:
-    driver: bridge