before_script: - ruby -v - which ruby - apt -qq update -y - apt -qq install -y default-jre - gem install bundler --no-document - bundle install --jobs=$(nproc) --path=deps --quiet - bundle clean test:2.3: image: ruby:2.3 script: bundle exec rake test except: - tags cache: key: ruby:2.3 paths: - deps test:2.4: image: ruby:2.4 script: bundle exec rake test except: - tags cache: key: ruby:2.4 paths: - deps test:2.5: image: ruby:2.5 script: bundle exec rake test except: - tags cache: key: ruby:2.5 paths: - deps test:2.6: image: ruby:2.6 script: bundle exec rake test except: - tags cache: key: ruby:2.6 paths: - deps