1var fullUrl = req.protocol + '://' + req.get('host') + req.originalUrl;

1const fullUrl = `${req.protocol}://${req.get("host")}${req.originalUrl}`;

1const https = require("https"); //First require the module 
2
3const url = https://url.com 
4//good practice is to assign the url to a const named url//
5
6app.get("/", function(req, res){
7    https.get(url, function(res){
8        console.log(res);//if you wish to console log the respone from the server
9    });