backend/config/connectDatabase.js

const mongoose = require('mongoose');
require('dotenv').config();

const connectDatabase = async () => {
    try {
        const con = await mongoose.connect(process.env.DB_URL);
        console.log('MongoDB connected to host: ' + con.connection.host);
    } catch (err) {
        console.error('MongoDB connection error: ', err);
    }
};

module.exports = connectDatabase;