OpenShift : WildFly 8 standalone.xml

I am using redhat openshift to test my applications lately , one annoying thing happened is this standalone.xml keep being overwritten, if you encountered the same read below :

Root Cause : below line in file /var/lib/openshift/${user}/wildfly/bin/standalone.conf

if [ -f $OPENSHIFT_WILDFLY_DIR/jboss_cfg_backup/standalone.xml ] && [ x$DISABLE_OPENSHIFT_MANAGED_SERVER_CONFIG != "xtrue" ]
then
  cp $OPENSHIFT_WILDFLY_DIR/jboss_cfg_backup/standalone.xml ${OPENSHIFT_WILDFLY_DIR}/standalone/configuration/standalone.xml || :
fi


Solution : set DISABLE_OPENSHIFT_MANAGED_SERVER_CONFIG to "true" 

rhc set-env DISABLE_OPENSHIFT_MANAGED_SERVER_CONFIG=true -a ${app_name}