This container can be pulled via:
  docker pull registry.opensuse.org/home/rbrownsuse/containers/containers/opensuse/microos-system:20230331
  docker pull registry.opensuse.org/home/rbrownsuse/containers/containers/opensuse/microos-system:20230331.3.219
  docker pull registry.opensuse.org/home/rbrownsuse/containers/containers/opensuse/microos-system:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.