refactoring proxy ingress to use endpointslice

kubernetes/proxy-ingress/prometheus-proxy-ingress.yml

@@ -19,15 +19,35 @@ spec:
         pathType: Prefix
         backend:
           service:
-            name: prometheus-service
+            name: prometheus
             port:
               number: 9091
 ---
 apiVersion: v1
 kind: Service
 metadata:
-  name: prometheus-service
+  name: prometheus
   namespace: projects
 spec:
-  type: ExternalName
-  externalName: 100.122.128.107
+  ports:
+    - port: 9091
+      targetPort: 9091
+      protocol: TCP
+---
+apiVersion: discovery.k8s.io/v1
+kind: EndpointSlice
+metadata:
+  name: prometheus
+  namespace: projects
+  labels:
+    kubernetes.io/service-name: prometheus
+addressType: IPv4
+ports:
+  - name: http
+    port: 9091
+    protocol: TCP
+endpoints:
+  - addresses:
+      - 100.122.128.107
+    conditions:
+      ready: true