sudo: true

addons:
  apt:
    sources:
    - sourceline: 'deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse'
    packages:
    - shellcheck

before_install:
- sudo apt-get install -y -qq npm
- sudo add-apt-repository -y ppa:chris-lea/node.js
- sudo apt-get -y update
- sudo apt-get install -y nodejs
- sudo npm config set registry http://registry.npmjs.org/
- sudo npm install -g npm
- sudo npm install -g dockerfile_lint

script:
- make test