version: '2'

services:
  install:
    image: node:8.16.1
    command: npm install
    volumes:
      - $PWD:/app
    working_dir: /app
  
  dev:
    image: node:8.16.1
    command: npm start
    ports:
      - "4000:4000"
    volumes:
      - $PWD:/app
    working_dir: /app