direction: right

prom: "Prometheus" {
  grid-columns: 1
  r1: "1. Évalue les règles"
  r2: "2. Détecte les firing"
}
am: "Alertmanager" {
  grid-columns: 1
  a1: "3. Déduplique"
  a2: "4. Groupe"
  a3: "5. Route"
  a4: "6. Notifie"
}
rcv: "Receivers" {
  grid-columns: 1
  email: "E-mail"
  slack: "Slack"
  pd: "PagerDuty"
  wh: "Webhook"
}
prom -> am: "push des alertes" { class: principal }
am -> rcv { class: principal }