from aiohttp import web import socketio sio = socketio.AsyncServer() app = web.Application() sio.attach(app) async def index(request): with open('./public/index.html') as f: return web.Response(text=f.read(), content_type='text/html') app.router.add_get('/', index) if __name__ == '__main__': web.run_app(app, port=8787)