This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/mariadb:11.5-39.3
  docker pull registry.opensuse.org/opensuse/mariadb:11.5.2
  docker pull registry.opensuse.org/opensuse/mariadb:11.5.2-39.3

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.