This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/samba-toolbox:4.23
  docker pull registry.opensuse.org/opensuse/samba-toolbox:4.23.8
  docker pull registry.opensuse.org/opensuse/samba-toolbox:4.23.8-3.4314

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.