Using Sinatra with Rack::Auth::Basic and Rack::Cache

application.rb

require 'rubygems'
require 'sinatra/base'
require 'rack/cache'

gem 'sinatra', '~> 1' # Require Sinatra version 1.x

class Application < Sinatra::Base

  use Rack::Auth::Basic do |username, password|
    [username, password] == ['admin', 'admin']
  end

  use Rack::Cache,
    :verbose     => true,
    :metastore   => "heap:/",
    :entitystore => "heap:/"

  after do
    # http://www.mnot.net/cache_docs/#CACHE-CONTROL
    expires 60, :public, :'no-cache', :must_revalidate # Expire in 1 minute, require Auth
  end

  get '/' do
    puts "!!! APP HIT !!!"
    "Welcome!"
  end

end

Application.run! if __FILE__ == $0

# Try with:
#  $ curl -i http://localhost:4567
#  $ curl -i http://admin:admin@localhost:4567