Well, there's a howto on running on tomcat: http://www.sparkjava.com/readme.html#title17 http://www.sparkjava.com/readme.html#title17 As for Heroku, I found t

Well, there's a howto on running on tomcat: http://www.sparkjava.com/readme.html#title17 http://www.sparkjava.com/readme.html#title17 As for Heroku, I found this: https://gist.github.com/Fitzsimmons/2490382 https://gist.github.com/Fitzsimmons/2490382 Generally, for a lot of apps the embedded Jetty webserver might be sufficient.