MongoDB and Mongoose - Install and Set Up Mongoose

I am having a trouble with crash loop in setting up my mongodb.
Describe your issue in detail here.
I am using replit and I do not know what causes the crash loop when running the program.

Your code so far
require(‘dotenv’).config();
const mongoose = require(‘mongoose’);
const mySecret = process.env[‘MONGO_URI’];
mongoose.connect(process.env.MONGO_URI, { useNewUrlParser: true, useUnifiedTopology: true });

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Challenge: MongoDB and Mongoose - Install and Set Up Mongoose

Link to the challenge:

remove the line const mySecret = process.env[‘MONGO_URI’];
cause you do not need it and also do not quote your database address when you are setting up the env variable