services: db: image: postgres restart: always ports: - 127.0.0.1:1234:5432 environment: POSTGRES_USER: root POSTGRES_PASSWORD: mysecretpassword POSTGRES_DB: local volumes: - pgdata:/var/lib/postgresql/data server: build: . pull_policy: always restart: always ports: - 127.0.0.1:3000:3000 environment: DATABASE_URL: postgres://root:mysecretpassword@db:5432/local depends_on: - db volumes: pgdata: