This container can be pulled via:
  docker pull registry.opensuse.org/home/pnawracay/branches/filesystems/ceph/octopus/images/ceph/grafana:7.4.2
  docker pull registry.opensuse.org/home/pnawracay/branches/filesystems/ceph/octopus/images/ceph/grafana:7.4.2.11.20
  docker pull registry.opensuse.org/home/pnawracay/branches/filesystems/ceph/octopus/images/ceph/grafana:latest
  docker pull registry.opensuse.org/home/pnawracay/branches/filesystems/ceph/octopus/images/ceph/grafana:leap15.2.octopus

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.