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I need to run capybara-webkit inside a Rails application to enable headless web browsing with JavaScript support (i.e. not for testing/CI purposes, and webrat or other acceptance testing drivers/frameworks will not work). I'm wondering if this is possible on a Heroku deployment, specifically because it requires QtWebKit and the ability to fork the webkit_server process with socket communication. I'm open to creative ideas on how to make this work on Heroku (e.g. a pool of worker dynos). I'm hoping someone has a better handle on what constraints exist in the Heroku environment, or can categorically rule out the possibility so I can move on to AWS EC2 if necessary. Searching for this tends to turn up a lot about capybara testing and add-ons for CI servers, neither of which are relevant for my use case. I'm not testing anything (at least not in the traditional cucumber/rspec/etc sense) - I'm using Capybara's integration with the webkit driver, finders and node/element model to navigate a website that requires a significant amount of client-side JS in order to work. I'm also open to other (native Ruby) solutions for programmatically interacting with web sites using JavaScript-enabled DOM.

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