This container can be pulled via:
  docker pull registry.opensuse.org/home/gniebler/containers/images/tftp:0.8.0
  docker pull registry.opensuse.org/home/gniebler/containers/images/tftp:0.8.0.11.112
  docker pull registry.opensuse.org/home/gniebler/containers/images/tftp:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.