This is a rails application that uses BrowseEverything gem which allows access to user files from cloud storage. It uses OAUTH2 to authenticate with Dropbox in this example application.
This gem does not depend on hydra-head/fedora/solr/db
Clone this app
bundle install
rake assets:precompile
rails server -b 0.0.0.0
Access the application at http://localhost:3000
Bingo!