This container can be pulled via:
  docker pull registry.opensuse.org/suse/alp/workloads/publish/tumbleweed_containerfiles/suse/alp/workloads/gdm:0.2
  docker pull registry.opensuse.org/suse/alp/workloads/publish/tumbleweed_containerfiles/suse/alp/workloads/gdm:0.2-11.11
  docker pull registry.opensuse.org/suse/alp/workloads/publish/tumbleweed_containerfiles/suse/alp/workloads/gdm:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.