bikeshed/war/WEB-INF/appengine-web.xml

<?xml version="1.0" encoding="utf-8"?>
<appengine-web-app xmlns="http://appengine.google.com/ns/1.0">
	<application>gwt-bikeshed</application>
	<version>28</version>
	<static-files> 
       <include path="**.nocache.*" expiration="1s"/> 
       <include path="**.cache.html" expiration="365d"/> 
       <include path="**" expiration="30d"/>
    </static-files> 
	<!-- Configure java.util.logging -->
	<system-properties>
		<property name="java.util.logging.config.file" value="WEB-INF/logging.properties"/>
	</system-properties>
	
</appengine-web-app>