Simple rack configuration for static sites and easy heroku deployment!

rack configuration

use Rack::Static,

  ###################
  # Regular expression to include all pages. 
  # You could also write something like ["index.html", "about_us.html"]
  ###################

  :urls => [/./],
  :root => "index.html"

run lambda { |env|
  [
    200,
    {
      'Content-Type'  => 'text/html',
      'Cache-Control' => 'public, max-age=86400'
    },
    File.open('index.html', File::RDONLY)
  ]
}