Hello,
In server.xml I can easily add a list of domains to use with our application :
<Host name="myapplication" autoDeploy="false" deployOnStartup="false"
deployXML="false">
<Alias>www.domain1.com</Alias>
<Alias>domain1.com</Alias>
<Alias>www.domain2.com</Alias>
<Alias>domain2.com</Alias>
<Valve className="org.apache.catalina.valves.AccessLogValve"
prefix="things" suffix=".log" pattern="common"
directory="${jboss.server.home.dir}/log"/>
<DefaultContext cookies="true" crossContext="true" override="true"/>
</Host>