There's actually a chap on the mailing list who is from heroku and helping to make changes to allow it to run as in a worker. Not sure whether it's working yet

There's actually a chap on the mailing list who is from heroku and helping to make changes to allow it to run as in a worker. Not sure whether it's working yet, but the blocker was that shiny required root, but the devs have released a patch which fixes this.