name: Run Postgres Tests
on: [push]

jobs:
  test-db:
    runs-on: ubuntu-latest
    
    # Define PostgreSQL as a service container
    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_USER: test_user
          POSTGRES_PASSWORD: test_password
          POSTGRES_DB: test_db
        # Ensure the runner waits for the database to be fully up and ready
        options: >-
          --health-cmd pg_isready
          --health-interval 5s
          --health-retries 5
        ports:
          - 5432:5432

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Connect to Postgres
        run: |
          # Install postgres-client to test the connection (if using an alpine/ubuntu base runner)
          sudo apt-get update && sudo apt-get install -y postgresql-client
          
          # Query the service using the service name 'postgres' as the host
          PGPASSWORD=test_password psql -h postgres -U test_user -d test_db -c "SELECT version();"