-Alias /idp/ui /usr/share/ipsilon/ui
-WSGIScriptAlias /idp /usr/sbin/ipsilon
-WSGIDaemonProcess idp user=ipsilon group=ipsilon
-WSGIProcessGroup idp
+Alias /${instance}/ui /usr/share/ipsilon/ui
+WSGIScriptAlias /${instance} /usr/sbin/ipsilon
+WSGIDaemonProcess ${instance} user=ipsilon group=ipsilon home=${datadir}
+WSGIProcessGroup ${instance}
<Directory /usr/sbin>
Require all granted