Add some missing information for Flex deployment

briandealwis · web-flow · commit 5ffc19e8482d · 2016-11-30T16:46:24.000-05:00
diff --git a/helloworld-springboot/README.md b/helloworld-springboot/README.md
@@ -64,6 +64,16 @@ gcloud components update app-engine-java
 gcloud components update
 ```
 
+### Configure the `app.yaml` descriptor
+
+The [`app.yaml`][app-yaml] descriptor is optional, and is used to describe
+URL dispatch and resource requirements.  We recommend that you initially
+configure [`manual_scaling`][manual-scaling] and disable 
+[health-checks][health-checking].
+
+[app-yaml]: https://cloud.google.com/appengine/docs/flexible/java/configuring-your-app-with-app-yaml
+[manual-scaling]: https://cloud.google.com/appengine/docs/flexible/java/configuring-your-app-with-app-yaml#manual-scaling
+[health-checking]: https://cloud.google.com/appengine/docs/flexible/java/configuring-your-app-with-app-yaml#health_checks
 
 ## Run the application locally
 
@@ -78,6 +88,10 @@ gcloud components update
 1. `mvn appengine:deploy`
 1. Visit `http://YOUR_PROJECT.appspot.com`.
 
+Note that Flex deployment requires the new [`com.google.cloud.tools:appengine-maven-plugin`
+plugin][new-maven-plugin].
+
+[new-maven-plugin]: https://cloud.google.com/appengine/docs/flexible/java/using-maven
 
 Java is a registered trademark of Oracle Corporation and/or its affiliates.
 
