This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/zsystems/containerfile/opensuse/samba:4.17
  docker pull registry.opensuse.org/opensuse/factory/zsystems/containerfile/opensuse/samba:4.17.4
  docker pull registry.opensuse.org/opensuse/factory/zsystems/containerfile/opensuse/samba:4.17.4-4.447
  docker pull registry.opensuse.org/opensuse/factory/zsystems/containerfile/opensuse/samba:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.