serve on heroku

config.ru

#\ -p 4000

require 'serve'
require 'serve/rack'
require 'json'


# The project root directory
root = ::File.dirname(__FILE__)


# Rack Middleware
use Rack::ShowStatus      # Nice looking 404s and other messages
use Rack::ShowExceptions  # Nice looking errors
use Rack::Static, :urls => ["/images", "/javascripts", "/stylesheets"], :root => "public"

# Compass
if ENV['RACK_ENV'] == "development"
  require 'sass/plugin/rack'
  require 'compass'
  Compass.add_project_configuration(root + '/compass.config')
  Compass.configure_sass_plugin!
  use Sass::Plugin::Rack  # Compile Sass on the fly
end

# Rack Application
if ENV['SERVER_SOFTWARE'] =~ /passenger/i
  # Passendger only needs the adapter
  run Serve::RackAdapter.new(root + '/views')
else
  # We use Rack::Cascade and Rack::Directory on other platforms to handle static 
  # assets
  run Rack::Cascade.new([
    Serve::RackAdapter.new(root + '/views'),
    Rack::Directory.new(root + '/public')
  ])
end