apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: prometheus-ingress
  namespace: monitoring
  annotations:
    cert-manager.io/cluster-issuer: "letsencrypt-prod"
    nginx.ingress.kubernetes.io/rewrite-target: /$2 
    nginx.ingress.kubernetes.io/proxy-buffer-size: "64k"
spec:
  ingressClassName: nginx
  tls:
  - hosts:
      - monitoring.prod.panic.haus
    secretName: monitoring-tls
  rules:
  - host: monitoring.prod.panic.haus
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: prometheus-k8s   # service name created by Prometheus operator for the Prom instance
            port:
              name: web            # the Prometheus service uses port name "web" for 9090