Tomcat made sense because I'd be running a JVM for Lucene in any case, and I'm trying to minimise resource requirements as far as is practical. I intend to add

Tomcat made sense because I'd be running a JVM for Lucene in any case, and I'm trying to minimise resource requirements as far as is practical. I intend to add an option to return a JSON response with the top 100 results. You may be able to make some kind of cron based alert from that.