p95 Traefik Prometheus Alertering Rule

alertrules.yml

---
  - name: traefik
    interval: 15s
    rules:
      - alert: p95_latency
        expr: |
          label_replace(
            histogram_quantile(
              0.95,
              sum(
                rate(traefik_service_request_duration_seconds_bucket{protocol="http"}[5m])
              ) by (service, le)
            ),
            "short_label", "$1", "service", "(.*)@.*"
          ) > 0.9
        for: 5m
        annotations:
          summary: "{{ $labels.short_label }}"
          description: "p95 latency for {{ $labels.short_label }} is at {{ $value }}s"