project: pryrails shared: from: ruby:2.4 cmd: "(bundle check || (gem install bundler && bundle install)) && bundle exec rake" service: volumes: - bundle_{{scenario_name}}:/usr/local/bundle environment: BUNDLE_GEMFILE: scenarios/{{scenario_name}}.gemfile volumes: bundle_{{scenario_name}}: scenarios: rails30: from: ruby:2.0 rails31: from: ruby:2.0 rails32: from: ruby:2.0 rails40: from: ruby:2.3 rails41: from: ruby:2.3 rails42: {} rails50: {} rails51: {} rails52: {} rails60: from: ruby:2.5