This container can be pulled via:
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:4.18
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:4.18.0
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:4.18.0-2.91
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:latest