This container can be pulled via:
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:4.20
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:4.20.4
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:4.20.4-2.463
  docker pull registry.opensuse.org/home/dmulder/smb3_posix_extensions/containers/opensuse/samba:latest