This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/samba-ad-dc:4.23
  docker pull registry.opensuse.org/opensuse/samba-ad-dc:4.23.5
  docker pull registry.opensuse.org/opensuse/samba-ad-dc:4.23.5-4.3031
  docker pull registry.opensuse.org/opensuse/samba-ad-dc:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.