What is my ip?

what-is-my-ip.js

const express = require('express');
const app = express();
var port = process.env.port || 8080;

app.get('/', (req, res) => res.send('Hello stranger! <a href="/ip">Click here</a>'));
app.get('/ip', (req, res) => {

  let ip = (req.headers['x-forwarded-for'] || '').split(',').pop() || 
  req.connection.remoteAddress || 
  req.socket.remoteAddress || 
  req.connection.socket.remoteAddress

  // removes optional port
  ip = ip.split(':')[0]

  res.send(ip);
});

app.listen(port, () => console.log(`App listening on port ${port}!`));