image: php:7.1.5-cli
before_script:
  - ... stuff ...

stages:
  - test
  - build
  - deploy

test:
  stage: test
  artifacts:
    paths:
      - vendor/
  script:
  - php composer.phar install
  - vendor/bin/codecept run

stage_build:
  stage: build
  only:
    - master
  artifacts:
    paths:
      - vendor/
      - public/js/
      - public/css/
  script:
    - apt-get install -y npm
    - ln -s /usr/bin/nodejs /usr/bin/node
    - php composer.phar install --no-dev
    - npm install -g gulp
    - npm install
    - gulp deploy

stage_deploy:
  stage: deploy
  only:
    - master
  script:
    - ... stuff ...