Gitlab ci yml for chrome

gitlab.yml

image: "ruby:2.3"
services:
  - postgres:latest
variables:
  POSTGRES_DB: test_db
  POSTGRES_USER: runner
  POSTGRES_PASSWORD: ""
before_script:
  - apt-get update -qq && apt-get install -y -qq postgresql postgresql-contrib libpq-dev cmake
  - apt-get install -y wget git unzip xvfb
  - curl -sS -L https://dl.google.com/linux/linux_signing_key.pub | apt-key add -
  - echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google.list
  - apt-get update -q && apt-get install -y google-chrome-stable && apt-get clean
  - wget -q https://chromedriver.storage.googleapis.com/$(wget -q -O - https://chromedriver.storage.googleapis.com/LATEST_RELEASE)/chromedriver_linux64.zip
  - unzip chromedriver_linux64.zip -d /usr/local/bin
  - apt-get -y install xvfb gtk2-engines-pixbuf
  - apt-get -y install xfonts-cyrillic xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable
  - Xvfb -ac :99 -screen 0 1280x1024x16 &
  - export DISPLAY=:99
  - ruby -v 
  - which ruby
  - gem install bundler --no-ri --no-rdoc
  - RAILS_ENV=test bundle install --jobs $(nproc) "${FLAGS[@]}"
  - cp config/database.yml.gitlab config/database.yml
  - RAILS_ENV=test bundle exec rake db:create db:schema:load
rspec:
  script:
    - RAILS_ENV=test bundle exec rspec
heroku_dev_deploy:
  type: deploy
  script:
  - gem install dpl
  - dpl --provider=heroku --api-key=$HEROKU_API_KEY --app=$HEROKU_DEV_APP
  only:
  - develop