'use strict'; const http = require('http'); const Koa = require('..'); const app = new Koa(); // number of middleware let n = parseInt(process.env.MW || '1', 10); console.log(` ${n} middleware`); while (n--) { app.use(function(ctx, next){ return next(); }); } const body = new Buffer('Hello World'); app.use(function(ctx, next){ return next().then(function(){ this.body = body; }); }); app.listen(3333);