This container can be pulled via:
  docker pull registry.opensuse.org/home/crameleon/gdev/containers/containerfile/gdev/sle-nginx:1.21.5
  docker pull registry.opensuse.org/home/crameleon/gdev/containers/containerfile/gdev/sle-nginx:1.21.5.5.321
  docker pull registry.opensuse.org/home/crameleon/gdev/containers/containerfile/gdev/sle-nginx:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.