fix(pipeline): Launch postgres docker container for testing

.gitea/workflows/backend.yaml

@@ -16,6 +16,22 @@ on:
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
+    
+    services:
+      postgres:
+        image: postgres:16-alpine
+        env:
+          POSTGRES_DB: legalconsenthub_test
+          POSTGRES_USER: test
+          POSTGRES_PASSWORD: test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd "pg_isready -U test"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    
     defaults:
       run:
         working-directory: ./legalconsenthub-backend
@@ -50,12 +66,13 @@ jobs:
       - name: Run ktlint check
         run: ./gradlew ktlintCheck
 
-      - name: Run tests with Testcontainers
+      - name: Run tests
         run: ./gradlew test
         env:
-          SPRING_PROFILES_ACTIVE: testcontainers
+          SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/legalconsenthub_test
-          TESTCONTAINERS_RYUK_DISABLED: true
+          SPRING_DATASOURCE_USERNAME: test
-          TESTCONTAINERS_CHECKS_DISABLE: true
+          SPRING_DATASOURCE_PASSWORD: test
+          SPRING_JPA_HIBERNATE_DDL_AUTO: create-drop
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3