groups:
  - name: GeneralGroup
    rules:
      - alert: InstanceDown
        expr: up == 0
        for: 1m #au bout d'une minute, trigger l'alerte
        labels:
          severity: critical
        annotations:
          summary: "Instance [{{ $labels.instance }}] down"
          description: "[{{ $labels.instance }}] of job [{{ $labels.job }}] has been down for more than 1 minute."