// App.js
var express = require('express');
var app = express();

app.get('/', function(req, res) {
  res.end('Hello world!');
});

app.listen(3000, '0.0.0.0', function() {
  console.log('Server running at http://0.0.0.0:3000');
});

server {
    listen 80;

    server_name testdomain.com;

    location / {
        proxy_pass http://0.0.0.0:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}

127.0.0.1   localhost
127.0.1.1   my-machine
0.0.0.0     testdomain.com

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters