Concerning installing, you might want to try out Omnibus (https://github.com/opscode/omnibus https://github.com/opscode/omnibus). We've used it successfully to

Concerning installing, you might want to try out Omnibus (https://github.com/opscode/omnibus https://github.com/opscode/omnibus). We've used it successfully to create a full-stack installer for our Rails project, Codem. See https://github.com/madebyhiro/codem-install https://github.com/madebyhiro/codem-install.