#!/usr/bin/env python import tornado.ioloop import tornado.web import os class MainHandler(tornado.web.RequestHandler): def get(self): self.render("hello.html.to") def make_app(): return tornado.web.Application([ (r"/", MainHandler), ], template_path='./templates', debug=os.getenv('DEBUG',False), ) if __name__ == "__main__": app = make_app() app.listen(8888) tornado.ioloop.IOLoop.current().start()