How to deploy a Google AppEngine application?
# %APPENGINE_HOME%/appcfg.sh update "WAR_PATH"
# Enter your Google username and password at the prompts.
# see: https://developers.google.com/appengine/docs/java/gettingstarted/uploading
/opt/appengine-java-sdk-1.8.0/bin/appcfg.sh update target/gae-springmvc-template-0.0.1-SNAPSHOT