added working ingress.yaml

Author: hagen-p

kubernetes/opentelemetry-demo.yaml

@@ -2273,3 +2273,20 @@ spec:
           volumeMounts:
       volumes:
 ---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: frontend-proxy-ingress
+  annotations:
+    kubernetes.io/ingress.class: traefik
+spec:
+  rules:
+    - http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: frontend-proxy
+                port:
+                  number: 8080