try prometheus

deploy/prometheus/ingress-alertmanager.yaml

@@ -0,0 +1,26 @@
+# ingress-alertmanager.yaml
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: alertmanager-ingress
+  namespace: monitoring
+  annotations:
+    cert-manager.io/cluster-issuer: "letsencrypt-prod"
+    nginx.ingress.kubernetes.io/rewrite-target: /$2 
+spec:
+  ingressClassName: nginx
+  tls:
+  - hosts:
+      - alertmanager.prod.panic.haus
+    secretName: alertmanager-tls
+  rules:
+  - host: alertmanager.prod.panic.haus
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: alertmanager-main  # service name for Alertmanager created by operator
+            port:
+              name: web              # Alertmanager service port 9093 named "web"