services: app: build: dockerfile: docker/prod/app/Dockerfile restart: always ports: [ "8000:8000" ] depends_on: [ "db" ] db: image: postgres:16.4-bookworm volumes: [ "db_data:/var/lib/postgresql/data" ] ports: [ "5432:5432" ] environment: POSTGRES_DB: todo_baggins POSTGRES_USER: app POSTGRES_PASSWORD: app restart: always volumes: db_data: