rack-dev-mark

Differentiate development environment from production. You can choose themes

Screenshot

Development

Production

Installation

Add the rack-dev-mark gem to your Gemfile.

gem "rack-dev-mark"

And run bundle install.

For your Rack app

require 'rack/dev-mark'
use Rack::DevMark::Middleware
run MyApp

For your Rails app

In config/application.rb

module MyApp
  class Application < Rails::Application
    if !%w(production).include?(Rails.env)
      config.middleware.insert_before ActionDispatch::ShowExceptions, Rack::DevMark::Middleware
    end
  end
end

Custom Theme

Define a sub class of Rack::DevMark::Theme::Base somewhere in your app.

require 'rack/dev-mark/theme/base'

class NewTheme < Rack::DevMark::Theme::Base
  def insert_into(html, env, revision)
    # Do something for your theme
    html
  end
end

Then, insert it in your app.

For your Rack app

use Rack::DevMark::Middleware, NewTheme.new

For your Rails app

In config/application.rb

module MyApp
  class Application < Rails::Application
    if !%w(production).include?(Rails.env)
      config.middleware.insert_before ActionDispatch::ShowExceptions, Rack::DevMark::Middleware, NewTheme.new
    end
  end
end

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

Copyright

Copyright (c) 2014 Daisuke Taniwaki. See LICENSE for details.