This container can be pulled via:
  docker pull registry.opensuse.org/systemsmanagement/uyuni/main/containerfile/uyuni/monitoring-alertmanager:0.28.1
  docker pull registry.opensuse.org/systemsmanagement/uyuni/main/containerfile/uyuni/monitoring-alertmanager:2026.04
  docker pull registry.opensuse.org/systemsmanagement/uyuni/main/containerfile/uyuni/monitoring-alertmanager:2026.04.3.4.uyuni5
  docker pull registry.opensuse.org/systemsmanagement/uyuni/main/containerfile/uyuni/monitoring-alertmanager:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.