This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/samba-server:4.20
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/samba-server:4.20.4
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/samba-server:4.20.4-3.1881
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/samba-server:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.