If you know and like Tomcat, may I suggest you have a look at JRuby deployment for Rails apps? With recent versions of jruby-rack and the warbler gem, it's as s

If you know and like Tomcat, may I suggest you have a look at JRuby deployment for Rails apps? With recent versions of jruby-rack and the warbler gem, it's as simple as listing your dependencies in a config file, and then running 'rake war' from the top level of a Rails app to get a shiny new WAR file ready to drop into your Tomcat deployment directory.