Redirect from http to https for the server.js file of node js

http-redirect.js

const app = express();

const forceSSL = function() {
  return function(req, res, next) {
    if (req.headers["x-forwarded-proto"] !== "https") {
      return res.redirect(["https://", req.get("Host"), req.url].join(""));
    }
    next();
  };
};

app.use(forceSSL());