Fix error in backend

@@ -4,7 +4,6 @@ metadata:
   name: backend
   labels:
     app: backend
-    tier: backend
 spec:
   selector:
     matchLabels:

 apiVersion: v1
 kind: Service
 metadata:
+  labels:
+    app: backend
   name: backend
 spec:
   type: ClusterIP
@@ -8,4 +10,5 @@ spec:
     - port: 5000
       targetPort: 5000
   selector:
+    name: backend
     app: backend
\ No newline at end of file

@@ -4,7 +4,7 @@ metadata:
   name: frontend
   labels:
     app: frontend
-    tier: frontend
+    name: frontend
 spec:
   selector:
     matchLabels:

@@ -8,4 +8,5 @@ spec:
     - port: 3000
       targetPort: 3000
   selector:
+    name: frontend
     app: frontend

@@ -11,7 +11,7 @@ function createApolloClient() {
   return new ApolloClient({
     ssrMode: typeof window === "undefined",
     link: new HttpLink({
-      uri: "http://backend:5000/graphql", // Server URL (must be absolute)
+      uri: "http://localhost:5000/graphql", // Server URL (must be absolute)
       credentials: "same-origin", // Additional fetch() options like `credentials` or `headers`
     }),
     cache: new InMemoryCache({