services: app: build: dockerfile: docker/prod/app/Dockerfile networks: - default - web-server-network restart: always depends_on: [ "db" ] db: image: postgres:16.4-bookworm volumes: [ "db_data:/var/lib/postgresql/data" ] networks: - default environment: POSTGRES_DB: todo_baggins POSTGRES_USER: app POSTGRES_PASSWORD: app restart: always volumes: db_data: networks: web-server-network: external: true