project: keynote shared: from: ruby:2.4 cmd: "(bundle check || 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: rails31: from: ruby:2.0 rails32: from: ruby:2.0 rails40: from: ruby:2.3 rails41: from: ruby:2.3 rails42: {} rails50: {} rails51: {}