groups:
  - name: Traefik

    rules:
      - alert: TraefikServiceDown
        expr: "count(traefik_service_server_up) by (service) == 0"
        for: 0m
        labels:
          severity: critical
        annotations:
          summary: Traefik service down (instance {{ $labels.instance }})
          description: "All Traefik services are down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

      - alert: TraefikHighHttp4xxErrorRateService
        expr: 'sum(rate(traefik_service_requests_total{code=~"4.*"}[3m])) by (service) / sum(rate(traefik_service_requests_total[3m])) by (service) * 100 > 5'
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: Traefik high HTTP 4xx error rate service (instance {{ $labels.instance }})
          description: "Traefik service 4xx error rate is above 5%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

      - alert: TraefikHighHttp5xxErrorRateService
        expr: 'sum(rate(traefik_service_requests_total{code=~"5.*"}[3m])) by (service) / sum(rate(traefik_service_requests_total[3m])) by (service) * 100 > 5'
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: Traefik high HTTP 5xx error rate service (instance {{ $labels.instance }})
          description: "Traefik service 5xx error rate is above 5%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"