dev:
  image: iojs:2
  working_dir: /usr/src/app
  volumes:
    - ".:/usr/src/app"
  command: "npm run watch"
  env_file: .env
  environment:
    - NTB_API_ENV=dev
    - NTB_USER_AGENT=turbasen.js/alpha

dev:
  image: iojs:slim
  working_dir: /usr/src/app
  volumes:
    - ".:/usr/src/app"
  command: "npm run watch"
  env_file: .env
  environment:
    - NTB_API_ENV=dev
    - NTB_USER_AGENT=turbasen.js/alpha

Use iojs:slim Docker Image for dev env
Use iojs:slim Docker Image for dev env
