options.events = {

  error (err, req, res) { },

  proxyReq (proxyReq, req, res) { },

  proxyRes (proxyRes, req, res) { }

}

// enable log

options.logs = true; // or false



// custom log function

options.logs = (ctx, target) {

  console.log('%s - %s %s proxy to -> %s', new Date().toISOString(), ctx.req.method, ctx.req.oldPath, new URL(ctx.req.url, target))

} 

// dependencies

const Koa = require('koa')

const proxy = require('koa-proxies')

const httpsProxyAgent = require('https-proxy-agent')



const app = new Koa()



// middleware

app.use(proxy('/octocat', {

  target: 'https://api.github.com/users',    

  changeOrigin: true,

  agent: new httpsProxyAgent('http://1.2.3.4:88'), // if you need or just delete this line

  rewrite: path => path.replace(/^\/octocat(\/|\/\w+)?$/, '/vagusx'),

  logs: true

}))

const Koa = require('koa')

const app = new Koa()

const proxy = require('koa-proxies')

const bodyParser = require('koa-bodyparser')



app.use(proxy('/user', {

  target: 'http://example.com',    

  changeOrigin: true

}))



app.use(bodyParser())