get user location in node.js & express.js using geo ip

geoip.js

const express = require("express");
var geoip = require("geoip-lite");
const app = express();

app.use(express.json());

app.get("/", (req, res) => {
    var ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
  var geo = geoip.lookup(ip);
  console.log(geo)
  res.send(geo);
});

const port = process.env.PORT || 5000;

app.listen(port, () => console.log(`Server running on port port ${port}`));