Here is a simple server.xml file
(mv roller.war to ROOT.war && cp ROOT.war to $CATALINA_HOME/rollerwebapps):
<Server
port="8005"
shutdown="SHUTDOWN">
<Service
name="Catalina">
<Connector
address="your-ip"
port="8080"
enableLookups="false"
acceptCount="100"
maxHttpHeaderSize="4096"
socketBuffer="2048"
maxKeepAliveRequests="10"
disableUploadTimeout="true"
connectionTimeout="10000" />
<Engine
name="Catalina"
defaultHost="www.domain.tld">
<Host
name="domain.tld"
appBase="rollerwebapps"
unpackWARs="true"
autodeploy="false"
reloadable="false"
xmlValidation="false"
xmlNamespaceAware="false"
workDir="work/Catalina/domain.tld" >
<Alias>
www.domain.tld </Alias>
<Context
path="/"
docBase="ROOT" >
</Context>
</Host>
</Engine>
</Service>
</Server>
Horatia