This container can be pulled via:
  docker pull registry.opensuse.org/home/deneb_alpha/uyuni-9051/containerfile/uyuni/monitoring-alertmanager:0.28.1
  docker pull registry.opensuse.org/home/deneb_alpha/uyuni-9051/containerfile/uyuni/monitoring-alertmanager:2026.03
  docker pull registry.opensuse.org/home/deneb_alpha/uyuni-9051/containerfile/uyuni/monitoring-alertmanager:2026.03.1.23.uyunidnb5
  docker pull registry.opensuse.org/home/deneb_alpha/uyuni-9051/containerfile/uyuni/monitoring-alertmanager:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.