//Dockerfile
FROM node:8.4.0

ENV HOME=/home/app

COPY package.json $HOME/node_todo/

WORKDIR $HOME/node_todo

RUN npm install --silent --progress=false

COPY . $HOME/node_todo

CMD ["npm", "start"]


//Docker compose
version: '2'
services:
  app:
    build: .
    environment:
      NODE_ENV: development
    command: node_modules/.bin/nodemon --exec npm start
    ports:
      - '3000:3000'
    tty: true
    depends_on:
      - mongodb
    volumes:
      - .:/home/app/node_todo
      - /home/app/node_todo/node_modules
  mongodb:
    image: mongo:3.2.5