docker-compose.yml

version: '3'
services:
  db:
    container_name: mongo-todo-react
    image: mongo:3.4
    hostname: mongo
    ports:
      - 27017:27017
  backend:
    container_name: backend-todo-react
    image: node:8.1
    hostname: backend
    environment:
      WAIT_HOSTS: mongo:27017
    volumes:
      - ./backend:/backend
    ports:
      - 3003:3003
    command: bash -c "cd /backend && npm i && npm run dev"
  frontend:
    container_name: frontend-todo-react
    image: node:8.1
    hostname: frontend-todo-react
    environment:
      WAIT_HOSTS: mongo:27017, backend:3003
    volumes:
      - ./frontend-sem-redux:/frontend-sem-redux
    ports:
      - 8484:8484
    command: bash -c "cd /frontend-sem-redux && npm i && npm run dev"
    expose: 
      - '8484'
  frontend-redux:
    container_name: frontend-redux-todo-react
    image: node:8.1
    hostname: frontend-redux-todo-react
    environment:
      WAIT_HOSTS: mongo:27017, backend:3003
    volumes:
      - ./frontend-redux:/frontend-redux
    ports:
      - 8585:8585
    command: bash -c "cd /frontend-redux && npm i && npm run dev"