This container can be pulled via:
  docker pull registry.opensuse.org/devel/caasp/kubic-container/container_arm/kubic/mariadb:10.2
  docker pull registry.opensuse.org/devel/caasp/kubic-container/container_arm/kubic/mariadb:10.2.19
  docker pull registry.opensuse.org/devel/caasp/kubic-container/container_arm/kubic/mariadb:10.2.19-22.63

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.