feat: add nightly integration tests workflow and configure CI to run integration tests with a PostgreSQL service.

Author: aalmada

.github/workflows/ci.yml

@@ -16,6 +16,20 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
 
+    services:
+      postgres:
+        image: postgres:17
+        env:
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: bookstore
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    
     steps:
     - name: Checkout code
       uses: actions/checkout@v6
@@ -53,11 +67,9 @@ jobs:
     - name: Run web integration tests
       run: dotnet test --configuration Release --treenode-filter "/**[Category=Integration]"
       working-directory: src/Web/BookStore.Web.Tests
-      timeout-minutes: 10
-      continue-on-error: true  # Don't fail CI if integration tests timeout
+      timeout-minutes: 5
       # Integration tests run after unit tests pass
-      # Slower tests that require full application stack (Aspire startup takes time)
-      # Note: These tests may timeout in CI due to container startup overhead
+      # PostgreSQL service pre-started to reduce Aspire startup time
 
   code-quality:
     runs-on: ubuntu-latest

.github/workflows/nightly-integration.yml

@@ -0,0 +1,64 @@
+name: Nightly Integration Tests
+
+on:
+  schedule:
+    - cron: '0 2 * * *'  # Run at 2 AM UTC daily
+  workflow_dispatch:  # Allow manual trigger
+
+env:
+  DOTNET_VERSION: '10.0.x'
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+  DOTNET_CLI_TELEMETRY_OPTOUT: true
+
+jobs:
+  integration-tests:
+    runs-on: ubuntu-latest
+    
+    services:
+      postgres:
+        image: postgres:17
+        env:
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: bookstore
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v6
+      
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+        
+    - name: Cache NuGet packages
+      uses: actions/cache@v4
+      with:
+        path: ~/.nuget/packages
+        key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj') }}
+        restore-keys: |
+          ${{ runner.os }}-nuget-
+      
+    - name: Restore dependencies
+      run: dotnet restore
+      
+    - name: Build
+      run: dotnet build --no-restore --configuration Release
+      
+    - name: Run all integration tests
+      run: dotnet test --configuration Release --treenode-filter "/**[Category=Integration]"
+      working-directory: src/Web/BookStore.Web.Tests
+      timeout-minutes: 10
+      
+    - name: Upload test results
+      if: always()
+      uses: actions/upload-artifact@v4
+      with:
+        name: integration-test-results
+        path: '**/TestResults/*.trx'