working.js

var express = require('express')
var Promise = require('bluebird')
var app = express()
var request = require('request')
var through2 = require('through2')
app.all('*', function(req, res) {
  var proxyRequest = request({
        url: 'http://requestb.in/ueod4pue',
        method: req.method,
      })
  proxyRequest.on('error', function(err) {
    console.log('ERROR', err)
  })
  proxyRequest.on('response', function(response) {
    console.log('Answer', response.statusCode, response.headers['content-type'])
  })

  req.pipe(proxyRequest).pipe(through2(function(chunk, enc, callback) {
    console.log(chunk.toString())
    callback(null, chunk)
  })).pipe(res)

})

app.listen(9001)


// curl -X POST -d "fizz=buzz" http://localhost:9001/asd