//import mongoose in the application
const mongoose = require('mongoose');

// Connect to MongoDB
mongoose.connect('mongodb://localhost:27017/myDatabase', {
    useNewUrlParser: true,
    useUnifiedTopology: true,
});

// Define a schema
const userSchema = new mongoose.Schema({
    name: String,
    age: Number,
    email: String,
});

// Create a model
const User = mongoose.model('User', userSchema);

// Insert a document
const user = new User({
    name: 'Mohit Kumar',
    age: 25,
    email: 'mohit@example.com',
});

user.save()
    .then(() => console.log('User saved'))
    .catch((err) => console.error('Error:', err));