fix: change ports and little changes into istio/demo/readme

demo/istio/README.md

@@ -158,16 +158,16 @@ In the editor, add the extension provider definitions to the mesh configmap.
 ```yaml
   data:
     mesh: |-   
-    extensionProviders:
-    - name: "kyverno-ext-authz-grpc"
-      envoyExtAuthzGrpc:
-        service: "ext-authz.demo.svc.cluster.local"
-        port: "9000"
-    - name: "kyverno-ext-authz-http"
-      envoyExtAuthzHttp:
-        service: "ext-authz.demo.svc.cluster.local"
-        port: "8000"
-        includeRequestHeadersInCheck: ["x-ext-authz"]
+      extensionProviders:
+      - name: "kyverno-ext-authz-grpc"
+        envoyExtAuthzGrpc:
+          service: "ext-authz.demo.svc.cluster.local"
+          port: "9000"
+      - name: "kyverno-ext-authz-http"
+        envoyExtAuthzHttp:
+          service: "ext-authz.demo.svc.cluster.local"
+          port: "8000"
+          includeRequestHeadersInCheck: ["x-ext-authz"]
 ```
 
 ### Authorization service
@@ -232,7 +232,7 @@ kubectl run test -it --rm --restart=Never --image=busybox -- wget -q --header="x
 }pod "test" deleted
 ```
 
-Calling the sample application again at the `/foo` path with with header `x-ext-authz: deny` will be de. 
+Calling the sample application again at the `/foo` path with with header `x-ext-authz: deny` will be denied. 
 
 ```console
 

main.go

@@ -27,10 +27,10 @@ func NewServers() *Servers {
 func (s *Servers) startHTTPServer(ctx context.Context) {
 
 	s.httpServer = &http.Server{
-		Addr:    ":8080",
+		Addr:    ":8000",
 		Handler: http.HandlerFunc(handler),
 	}
-	fmt.Println("Starting HTTP server on Port 8080")
+	fmt.Println("Starting HTTP server on Port 8000")
 	go func() {
 		<-ctx.Done()
 
@@ -53,12 +53,12 @@ func handler(w http.ResponseWriter, r *http.Request) {
 
 func (s *Servers) startGRPCServer(ctx context.Context) {
 
-	lis, err := net.Listen("tcp", ":9090")
+	lis, err := net.Listen("tcp", ":9000")
 	if err != nil {
 		log.Fatalf("failed to listen: %v", err)
 	}
 	s.grpcServer = grpc.NewServer()
-	fmt.Println("Starting GRPC server on Port 9090")
+	fmt.Println("Starting GRPC server on Port 9000")
 
 	go func() {
 		<-ctx.Done()