docker_prereq_packages: - yum-utils - device-mapper-persistent-data - lvm2 - libseccomp docker_packages: - docker-ce-19.03.1 - docker-ce-cli-19.03.1 docker_pip_extra_packages: - requests==2.6.0 # We need to pin the above so pip finds the right system-installed package # but we never want to try to remove it, so we substract this from the set of # packages we remove on cleanup docker_pip_never_remove: - requests==2.6.0