password-protect staging server

gistfile1.rb

# config/environments/staging.rb
# Credit: http://olemortenamundsen.wordpress.com/2011/04/05/ruby-secure-staging-environment-of-your-public-app-from-users-and-bots/

MyApp::Application.configure do
  config.middleware.insert_after(::Rack::Lock, "::Rack::Auth::Basic", "Staging") do |username, password|
    [username, password] == ['username', 'password']
  end
end