This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/samba:4.22
  docker pull registry.opensuse.org/opensuse/samba:4.22.0
  docker pull registry.opensuse.org/opensuse/samba:4.22.0-4.1591
  docker pull registry.opensuse.org/opensuse/samba:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.