Add a top level readme in apache samples dir

Signed-off-by: doxiao <[email protected]>

Author: doxiao

kubernetes/samples/charts/apache-samples/README.md

@@ -0,0 +1,7 @@
+# Apache load balancer samples
+
+The sample package contains two samples that uses the [Apache helm chart](../apache-webtier/README.md). The samples uses the Docker image for the Apache HTTP Server with the 12.2.1.3.0 Oracle WebLogic Server Proxy Plugin.  See the details in [Apache HTTP Server with Oracle WebLogic Server Proxy Plugin on Docker](https://github.com/oracle/docker-images/tree/master/OracleWebLogic/samples/12213-webtier-apache).
+
+   [The default sample](default-sample/README.md) uses the built-in configuration in the.
+   [The custom sample](custom-sample/README.md) demonstrates how to customize the configuration of the Apache HTTP Server with the 12.2.1.3.0 Oracle WebLogic Server Proxy Plugins.
+

kubernetes/samples/charts/apache-webtier/README.md

@@ -1,16 +1,8 @@
-# Apache webtier
-The Apache HTTP Server load balancer for WebLogic domains on Kubernetes
-
-## Install
-
-```console
-$ helm install apache-webtier
-```
-
-## Introduction
-
-This chart bootstraps an Apache HTTP Server deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
+# Apache webtier Helm chart
 
+This Helm chart bootstraps an Apache HTTP Server deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
+ 
+The chart depends on the Docker image for the Apache HTTP Server with the 12.2.1.3.0 Oracle WebLogic Server Proxy Plugin.  See the details in [Apache HTTP Server with Oracle WebLogic Server Proxy Plugin on Docker](https://github.com/oracle/docker-images/tree/master/OracleWebLogic/samples/12213-webtier-apache).
 
 ## Prerequisites
 
@@ -26,7 +18,7 @@ To install the chart with the release name `my-release`:
 ```console
 $ helm install --name my-release apache-webtier
 ```
-The command deploys the Apache HTTP Server on the Kubernetes cluster in the default configuration. The [configuration](#configuration) section lists the parameters that can be configured during installation.
+The command deploys the Apache HTTP Server on the Kubernetes cluster with the default configuration. The [configuration](#configuration) section lists the parameters that can be configured during installation.
 
 > **Tip**: List all releases using `helm list`
 

site/apache.md

@@ -28,13 +28,12 @@ In order to start the Apache HTTP Server for your WebLogic domain, you need to c
 
   3. Create a Kubernetes NodePort service to expose the internal ports to external access.
 
-  4. Create a RBAC YAML file to setup security for your load balancer.
+  4. Create a RBAC YAML file to setup security for your load balancer. This is optional.
 
-See samples for creating Apache HTTP Server as a load balancer at [Apache load balancer helm chart](kubernetes/samples/charts/apache-webtier/README.md) and [Apache load balance samples](kubernetes/samples/charts/apache-sample).
+See samples for creating Apache HTTP Server as a load balancer at [Apache load balancer helm chart](../kubernetes/samples/charts/apache-webtier/README.md) and [Apache load balance samples](../kubernetes/samples/charts/apache-sample/README.md).
 
 Note that you can choose to run one Apache HTTP Server to balance the loads from multiple domains/clusters inside the same Kubernetes cluster, as long as the Apache HTTP Server and the domains are all in the same namespace.
 
-
 ## Update the plugin WL module configuration
 
 Users can update or add the new Apache plugin configuration first, then run the following commands to restart the Apache HTTP Server gracefully: