ShowYourCookies

Add this line to your application's Gemfile:

gem 'show_your_cookies', group: :development

And then execute:

$ bundle

After install this gem, insert following line to controller.

class WelcomeController < ApplicationController
  before_action :show_your_cookies

  def show
  end
end

then logging session like below.

1. Fork it ( https://github.com/hrysd/show_your_cookies/fork )
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 a new Pull Request