This container can be pulled via:
  docker pull registry.opensuse.org/home/spacemule/branches/opensuse/templates/images/tumbleweed/containers/opensuse/wireguard:1.0.20210914
  docker pull registry.opensuse.org/home/spacemule/branches/opensuse/templates/images/tumbleweed/containers/opensuse/wireguard:1.0.20210914.10.2
  docker pull registry.opensuse.org/home/spacemule/branches/opensuse/templates/images/tumbleweed/containers/opensuse/wireguard:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.