This container can be pulled via:
  docker pull registry.opensuse.org/home/kukuk/container/wireguard:1.0.20210914
  docker pull registry.opensuse.org/home/kukuk/container/wireguard:1.0.20210914-9.4
  docker pull registry.opensuse.org/home/kukuk/container/wireguard:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.