--- steps: - label: run-specs-ruby-2.4 command: - .expeditor/run_linux_tests.sh rake expeditor: executor: docker: image: ruby:2.4-buster - label: run-specs-ruby-2.5 command: - .expeditor/run_linux_tests.sh rake expeditor: executor: docker: image: ruby:2.5-buster - label: run-specs-ruby-2.6 command: - .expeditor/run_linux_tests.sh rake expeditor: executor: docker: image: ruby:2.6-buster - label: run-specs-ruby-2.7-rc command: - .expeditor/run_linux_tests.sh rake expeditor: executor: docker: image: ruby:2.7-rc-buster