This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/bci/ruby:3-5.4
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/bci/ruby:3.2
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/bci/ruby:3.2-5.4

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.