MongoDB-connection-using-Mongoose-and-Node-JS

1.Download the Clone. npm install

2.Create User.js

define the Schema

  // create a schema
  var userSchema = new Schema({
    name: {
          firstName: {
              type: String,
              required: true
          },
          lastName: String
      }
  });

Create Model

  var User = mongoose.model('User', userSchema);

Export the Model

  module.exports = User;

Create app.js

  var mongoose = require('mongoose');
  var User = require('./model.js');

Connect the MongoDB

    mongoose.connect('mongodb://localhost/testDB', function (err) {
      if (err) throw err;
      console.log('Successfully connected');
    })

Final code

    mongoose.connect('mongodb://localhost/testDB', function (err) {
       if (err) throw err;
       console.log('Successfully connected');
       
       // Create User Obiect 
        var UserObject = new User({
            name: {
              firstName: 'Sample',
              lastName: 'Example'
            }
         });
         
       //Save the document into User table.
       UserObject.save(function(err){
        if (err) throw err;
       })
       
       //Find the all user in User table.
       User.find({}, function(err, dbUsers){
        if (err) throw err;
          console.log(JSON.stringify(dbUsers));
       });
       
    });