---
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  labels:
    prometheus: traefik
    role: alert-rules
  name: prometheus-traefik-rules
  namespace: kube-system
spec:
  groups:
  - name: ./traefik.rules
    rules:
    - alert: Traefik5xxErr
      expr: sum by (service) (increase(traefik_service_requests_total{code=~"5..",protocol="http"}[5m])) > 0