% gem install bundler
% bundle install
% bundle exec rake

gem "sinatra_auth_gmail"
# vim:ft=ruby

require 'rubygems'
require 'bundler'

Bundler.setup
Bundler.require

class MyFirstGmailApp < Sinatra::Base
  use Rack::Session::Cookie
  register Sinatra::Auth::Gmail

  get '/' do
    authorize!
    haml "%h2= 'Hello There, #{gmail_user.full_name}!'"
  end
end

run MyFirstGmailApp

% bundle install
% bundle exec rackup

% open http://localhost:9292