This container can be pulled via:
  docker pull registry.opensuse.org/home/mvarlese/branches/opensuse/templates/images/tumbleweed/images/opensuse-rstudio-server:1.2.5033
  docker pull registry.opensuse.org/home/mvarlese/branches/opensuse/templates/images/tumbleweed/images/opensuse-rstudio-server:1.2.5033-15.1
  docker pull registry.opensuse.org/home/mvarlese/branches/opensuse/templates/images/tumbleweed/images/opensuse-rstudio-server:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.