Update ingress-controller-install-new.md

1. Kestrel listens to the port 8080.  Azure App Gateway Backend is unhealthy because of Port 80 mentioned in Pod's Container Port and Service definition's TargetPort. 
2. Ingress Controller definition throw error because of the missing pathType property.

Author: SethuMK

articles/application-gateway/ingress-controller-install-new.md

@@ -293,7 +293,7 @@ spec:
   - image: "mcr.microsoft.com/dotnet/core/samples:aspnetapp"
     name: aspnetapp-image
     ports:
-    - containerPort: 80
+    - containerPort: 8080
       protocol: TCP
 
 ---
@@ -308,7 +308,7 @@ spec:
   ports:
   - protocol: TCP
     port: 80
-    targetPort: 80
+    targetPort: 8080
 
 ---
 
@@ -323,6 +323,7 @@ spec:
   - http:
       paths:
       - path: /
+        pathType: Exact
         backend:
           serviceName: aspnetapp
           servicePort: 80
@@ -346,4 +347,4 @@ kubectl apply -f aspnetapp.yaml
 
 ## Other Examples
 This [how-to guide](ingress-controller-expose-service-over-http-https.md) contains more examples on how to expose an AKS
-service via HTTP or HTTPS, to the Internet with Application Gateway.
+service via HTTP or HTTPS, to the Internet with Application Gateway.