ExpressJs get full request url [Credits: https://www.geeksforgeeks.org/how-to-get-the-full-url-in-expressjs/]

index.js

// Credits: https://www.geeksforgeeks.org/how-to-get-the-full-url-in-expressjs/
const express = require('express');

const app = express();
const PORT = 3000;

app.get('*', function (req, res) {
  const protocol = req.protocol;
  const host = req.hostname;
  const url = req.originalUrl;
  const port = process.env.PORT || PORT;
  const fullUrl = `${protocol}://${host}:${port}${url}`;
  const responseString = `Full URL: ${fullUrl}`;                       
  res.send(responseString);  
})

app.listen(PORT, (error) => {
  if(!error)
    console.log("Server running, app listening on port", PORT)
  else
    console.log("Error:", error);
});