create-node-app-starter/app/src/config/db.js

CLI to create a Node.js starter template

const mongoose = require("mongoose");

const connectDB = async () => {
  try {
    const conn = await mongoose.connect(process.env.MONGO_URI);
    console.log(`📦 MongoDB Connected: ${conn.connection.host}`);
  } catch (error) {
    console.error("❌ MongoDB connection error:", error.message);
    throw error; // important → bubble up to server.js
  }
};

module.exports = connectDB;