Use the .env File ERROR

Tell us what’s happening:
idk what im doing wrong!

var bGround = require('fcc-express-bground');
var myApp = require('./myApp');
var express = require('express');
var app = express();
const mySecret = process.env['MESSAGE_STYLE']
console.log(mySecret)

app.use("/public",express.static(__dirname+"/public"))

app.get("/json",(req,res)=>{
  let response = "Hello json"
  if(mySecret !== 'uppercase')response =response.toUpperCase()
  res.json({"message": response})
})

var port = process.env.PORT || 3000;
bGround.setupBackgroundApp(app, myApp, __dirname).listen(port, function(){
  bGround.log('Node is listening on port '+ port + '...')
});

Your project link(s)

solution: xpress - Replit

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Challenge: Use the .env File

Link to the challenge:

This is declared once out here in the global variable space. This means that the value of this variable won’t change. But the tests work by changing the environment variable while your app is running.