class TestApp1 < Sinatra::Base get '/' do 'TestApp1 Index' end get '/route' do 'TestApp1 route' end end class TestApp2 < Sinatra::Base get '/' do 'TestApp2 Index' end get '/route' do 'TestApp2 route' end end RackApp1 = Proc.new {|env| [200, {'Content-Type' => 'text/plain'}, ["This is an app. #{env.inspect}"]] }