Modular sinatra that serves static content from within the '/bar' app

bar.rb

require 'rubygems'
require 'sinatra/base'


class Bar < Sinatra::Base
  
  set :static, true
  set :public, File.join(File.dirname(__FILE__), 'bar/_site/')

  get '' do
    redirect '/bar/'
  end

  get '/' do
    File.read('bar/_site/index.html')
  end

end

config.ru

require 'foo'
require 'bar'

map '/' do
  run Foo
end

map '/bar' do
  run Bar
end