version: "2"
services:
  server:
    build: ./path/to/server
    ports:
      - 3003:3003
    command: bash -c 'while !</dev/tcp/db/5432; do sleep 1; done; npm start'
    depends_on:
      - db
    environment:
      - PORT=3003
    volumes:
      - client:/client
  db:
    image: postgres
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=password
      - POSTGRES_DB=example
    volumes:
      - data:/var/lib/postgresql/data

volumes:
  data: {}
  client: {}