| ## Prerequisite: | |
| ### Linux | |
| #### Install the Appengine SDK. | |
| `$ sudo apt-get install google-cloud-sdk-app-engine-java` | |
| ### Mac | |
| #### Install the Google Cloud SDK. | |
| `$ brew install google-cloud-sdk` | |
| #### Use GCloud CLI to install the Java Appengine | |
| `$ gcloud components install app-engine-java` | |
| ## How to regenerate the WAR, deploy and run in appengine? | |
| `$ mvn appengine:run` |