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RolloutUI: A slick way to rollout features in your web app.
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RolloutUI: A slick way to rollout features in your web app.

What does it do?

RolloutUI provides a zero-configuration user interface for James Golick's rollout. RolloutUI auto-detects features defined in rollout in your application. It allows you to release features to groups, users or a percentage of your userbase through a nice interface rather than digging around in the console or modifying redis directly.

It looks something like this:


Installing RolloutUI

First, get rollout set up and running on your app and define at least one feature.

Then you're ready to use RolloutUI.

Add it to your gemfile:

gem "rollout_ui"

Wrap your rollout instance:

$rollout =$redis)

Rails 3.1

Mount the Rails engine in your routes.rb file:

mount RolloutUi::Engine => "/rollout"


Run the sinatra app. You can either run it as it's own app, or run it in tandom with other rack apps. Example: using Rack's URLMap in your

run \
  "/" =>,
  "/rollout" =>

Protecting the sinatra app with HTTP basic auth is probably a good idea. Put this somewhere before the URLMap in your

RolloutUi::Server.use Rack::Auth::Basic do |username, password|
  username == '<some username>' && password == '<some password>'


Patches/Pull Requests

  • Fork the project.
  • Make your feature addition or bug fix.
  • Add tests for it. This is important so I don't break it in a future version unintentionally.
  • Send me a pull request.


  • Thanks to James Golick for the great rollout gem.
  • Thanks to ChallengePost for sponsoring additional development and supporting open sourcing it from the start.
  • Thanks to Holly Tiwari for the design!
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