feat(ci): add PostgreSQL service for integration tests

.github/workflows/integration.yml

@@ -12,6 +12,21 @@ jobs:
   integration-test:
     runs-on: ubuntu-latest
 
+    services:
+      postgres:
+        image: postgres:13
+        env:
+          POSTGRES_DB: broker_test
+          POSTGRES_USER: user
+          POSTGRES_PASSWORD: password
+        ports:
+          - 5433:5432
+        options: >-
+          --health-cmd="pg_isready -U user"
+          --health-interval=5s
+          --health-timeout=5s
+          --health-retries=10
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -22,13 +37,5 @@ jobs:
           go-version: '1.25'
           cache: true
 
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.12'
-      
-      - name: Install podman-compose
-        run: pip install podman-compose
-
       - name: Run all tests
-        run: make test-all
+        run: make test-ci

Makefile

@@ -1,4 +1,4 @@
-.PHONY: all build clean test test-all test-integration-go test-unit-go test-connection schema-install broker-start broker-stop install deps docker-up docker-down docker-build release help
+.PHONY: all build clean test test-all test-ci test-integration-go test-unit-go test-connection schema-install broker-start broker-stop install deps docker-up docker-down docker-build release help
 
 # Build variables
 BINARY_NAME=pgsql-broker
@@ -63,7 +63,9 @@ test-local-unit: deps ## Run local unit tests
 	@echo "Running local unit tests..."
 	@$(GO) test -v -race -cover $(shell $(GO) list ./... | grep -v /tests/integration)
 
-test-all: test-teardown test-setup test-connection schema-install broker-start test-local-unit test-integration-go broker-stop test-teardown ## Run all unit and integration tests
+test-all: test-teardown test-setup test-connection schema-install broker-start test-local-unit test-integration-go broker-stop test-teardown ## Run all unit and integration tests (starts its own Postgres via docker-compose)
+
+test-ci: test-connection schema-install broker-start test-local-unit test-integration-go broker-stop ## Run all unit and integration tests against an externally-provided Postgres (CI services: block)
 
 test-connection: deps ## Test database connection with retry
 	@echo "Testing database connection..."