# Add this service to your existing docker-compose.yml services: api: build: ./backend env_file: - ./backend/.env ports: - "4000:4000" depends_on: - db # Example db service (if you don't already have one) db: image: postgres:15 environment: POSTGRES_DB: supersunday POSTGRES_USER: supersunday POSTGRES_PASSWORD: supersunday volumes: - pgdata:/var/lib/postgresql/data ports: - "5432:5432" volumes: pgdata: