# File lib/capybara/server.rb, line 36
    def initialize(app, port=Capybara.server_port)
      @app = app
      @middleware = Middleware.new(@app)
      @server_thread = nil # supress warnings
      @port = port
      @port ||= Capybara::Server.ports[@app.object_id]
      @port ||= find_available_port
    end