This is the kitchensink JBoss Quickstart app. You can find more info @ https://docs.jboss.org/author/display/AS71/Kitchensink+quickstart
Create an account at http://openshift.redhat.com/
Create a jbossas-7 application
rhc app create -a kitchensink -t jbossas-7 --from-code git://github.com/openshift/kitchensink-example.git
That's it, you can now checkout your application at:
http://kitchensink-$namespace.rhcloud.com
By default, this quickstart uses H2 as the backend, but you may use PostgreSQL.
To do this, add PostgreSQL cartridge to your application:
rhc cartridge add postgresql-8.4 -a kitchensink
Edit src/main/resources/META-INF/persistence.xml so that the data
source points to java:jboss/datasources/PostgreSQLDS:
<jta-data-source>java:jboss/datasources/PostgreSQLDS</jta-data-source>
Commit this change, and push.