"use strict";

const http = require("http");
const httpProxy = require("http-proxy");
const proxy = httpProxy.createProxyServer({});

const gateway = http.createServer((req, res) => {
  res.setHeader('set-cookie', ["gateway=true; Path=/"]);
  proxy.web(req, res, {target: "http://localhost:3002"});
});

gateway.listen(3003);

const backend = http.createServer((req, res) => {
  res.setHeader("set-cookie", ["backend=true; Path=/", "another_backend_cookie=true; Path=/"]);
  res.end("OK");
});

backend.listen(3002);

$ curl -v http://localhost:3003
* Rebuilt URL to: http://localhost:3003/
*   Trying ::1...
* TCP_NODELAY set
* Connected to localhost (::1) port 3003 (#0)
> GET / HTTP/1.1
> Host: localhost:3003
> User-Agent: curl/7.61.1
> Accept: */*
> 
< HTTP/1.1 200 OK
< set-cookie: backend=true; Path=/
< set-cookie: another_backend_cookie=true; Path=/
< date: Mon, 14 Jan 2019 12:24:27 GMT
< connection: close
< content-length: 2
< 
* Closing connection 0
OK