version: "3.9" services: node: build: context: . dockerfile: Dockerfile.node api: image: "awesome/api" extends: service: node build: args: PACKAGE_PATH: api WORKING_DIR: /usr/src/ expose: - 8000 ports: - 8000:8000 environment: - NODE_ENV=development volumes: - ./api:/usr/src depends_on: - db - adminer - redis networks: - front-tier - back-tier command: ["npm", "start"] frontend: extends: service: node build: args: PACKAGE_PATH: frontend WORKING_DIR: /usr/src/ expose: - 3000 ports: - 3000:3000 volumes: - ./frontend:/usr/src depends_on: - api networks: - front-tier command: ["npm", "start"] db: image: "awesome/db" extends: service: postgres from: postgres.yml restart: always networks: - back-tier volumes: - "db-data:/data" - type: bind source: /var/run/postgres/postgres.sock target: /var/run/postgres/postgres.sock redis: image: "awesome/redis" restart: always networks: - back-tier expose: - 6379 adminer: image: "awesome/adminer" networks: - back-tier ports: - 8080:8080 volumes: db-data: networks: front-tier: back-tier: