This container can be pulled via:
  docker pull registry.opensuse.org/home/masterpatricko/opensuse_leap_15.6_containers/wireguard-container:0.1.0-17.8
  docker pull registry.opensuse.org/home/masterpatricko/opensuse_leap_15.6_containers/wireguard-container:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.