Aug 28, 2011 This post is now deprecated in favour of Heroku’s build packs. A couple of days ago Heroku announced support for Java on their servers. I took the opportunity to try and get a Sinatra app running on Heroku using the Java support to boostrap JRuby. In Heroku’s blog post they mentioned that Matthew Rodley had already put a Rails app on Heroku by simply adding JRuby to pom.xml. Looking a