mark container-port flag as deprecated

docs/user-guide/kubectl/kubectl_expose.md

@@ -85,7 +85,6 @@ kubectl expose deployment nginx --port=80 --target-port=8000
 ### Options
 
 ```
-      --container-port="": Synonym for --target-port
       --dry-run[=false]: If true, only print the object that would be sent, without creating it.
       --external-ip="": Additional external IP address (not managed by Kubernetes) to accept for the service. If this IP is routed to a node, the service can be accessed by this IP in addition to its generated service IP.
   -f, --filename=[]: Filename, directory, or URL to a file identifying the resource to expose a service
@@ -144,7 +143,7 @@ kubectl expose deployment nginx --port=80 --target-port=8000
 
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager
 
-###### Auto generated by spf13/cobra on 10-Apr-2016
+###### Auto generated by spf13/cobra on 3-May-2016
 
 <!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
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pkg/kubectl/cmd/expose.go

@@ -112,6 +112,7 @@ func NewCmdExposeService(f *cmdutil.Factory, out io.Writer) *cobra.Command {
 	cmd.Flags().StringP("labels", "l", "", "Labels to apply to the service created by this call.")
 	cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without creating it.")
 	cmd.Flags().String("container-port", "", "Synonym for --target-port")
+	cmd.Flags().MarkDeprecated("container-port", "--container-port will be removed in the future, please use --target-port instead")
 	cmd.Flags().String("target-port", "", "Name or number for the port on the container that the service should direct traffic to. Optional.")
 	cmd.Flags().String("external-ip", "", "Additional external IP address (not managed by Kubernetes) to accept for the service. If this IP is routed to a node, the service can be accessed by this IP in addition to its generated service IP.")
 	cmd.Flags().String("overrides", "", "An inline JSON override for the generated object. If this is non-empty, it is used to override the generated object. Requires that the object supply a valid apiVersion field.")