version: "3.7" services: db_prod: image: postgres:12-alpine tty: true environment: POSTGRES_PASSWORD: postgres ports: - 5432:5432 volumes: - dbdata_prod:/var/lib/postgresql/data backend_prod: build: backend command: npm start tty: true environment: DATABASE_HOST: db_prod DATABASE_DB: postgres DATABASE_USER: postgres DATABASE_PASSWORD: postgres NODE_ENV: production ports: - 4000:4000 depends_on: - db_prod frontend_prod: build: context: frontend dockerfile: Dockerfile.prod tty: true environment: REACT_APP_API_BASE_URL: http://localhost:4000 ports: - 3000:80 volumes: dbdata_prod: