services: db: image: postgres:16 environment: POSTGRES_USER: postgres POSTGRES_PASSWORD: postgres POSTGRES_DB: goodwalk volumes: - pgdata:/var/lib/postgresql/data ports: - "5432:5432" healthcheck: test: ["CMD-SHELL", "pg_isready -U postgres"] interval: 5s timeout: 5s retries: 5 api: build: ./backend env_file: ./backend/.env ports: - "8000:8000" depends_on: db: condition: service_healthy volumes: - ./backend:/app volumes: pgdata: