This container can be pulled via:
  docker pull registry.opensuse.org/home/luc14n0/containers/container/opensuse/cockpit-ws:276.1
  docker pull registry.opensuse.org/home/luc14n0/containers/container/opensuse/cockpit-ws:276.1-3.87
  docker pull registry.opensuse.org/home/luc14n0/containers/container/opensuse/cockpit-ws:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.