Basic node/mongo Docker compose file

docker-compose.yml

version: '2.1'
services:
  node:
    build: .
    env_file: .env
    working_dir: /usr/src/app
    volumes:
      - ./:/usr/src/app
    depends_on:
      - mongo
  mongo:
    image: mongo:latest
    volumes:
      - ./mongo_data:/data/db
      - ./:/usr/src/app
    working_dir: /usr/src/app