ruby builder with extra dependencies to run Webdriver and DB tests:
- build essentials
- nodejs
- git
- xvfb
- postgresql dev and client
- make
- tzdata
- firefox 51.0
- geckodriver 0.15.0
docker run amaysim/ruby-builder:2.5-slim bundle exec rake db:test:prepare
docker run amaysim/ruby-builder:2.5-slim bundle exec rake