This container can be pulled via:
  docker pull registry.opensuse.org/home/freerabix/container/bci/15.4/openresty/containerfile/openresty:15.4
  docker pull registry.opensuse.org/home/freerabix/container/bci/15.4/openresty/containerfile/openresty:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.