This container can be pulled via:
  docker pull registry.opensuse.org/home/pushman/bci/cr/tumbleweed/containerfile/opensuse/virt-exportproxy:1.6
  docker pull registry.opensuse.org/home/pushman/bci/cr/tumbleweed/containerfile/opensuse/virt-exportproxy:1.6.3
  docker pull registry.opensuse.org/home/pushman/bci/cr/tumbleweed/containerfile/opensuse/virt-exportproxy:1.6.3-7.87
  docker pull registry.opensuse.org/home/pushman/bci/cr/tumbleweed/containerfile/opensuse/virt-exportproxy:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.