This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/elementalnewdev/containers_next/rancher/elemental-builder-image/5.4:0.10.7
  docker pull registry.opensuse.org/home/dcassany/elementalnewdev/containers_next/rancher/elemental-builder-image/5.4:0.10.7-8.148
  docker pull registry.opensuse.org/home/dcassany/elementalnewdev/containers_next/rancher/elemental-builder-image/5.4:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.