This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/mariadb:11.0.2
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/mariadb:11.0.2-12.54

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.