How to connect to MongoDB with mongoose

README.md

How to connect to MongoDB with mongoose

See associated video.

Install

$ git clone https://gist.github.com/98a60b5ee632b94e6353af3b632246d3.git mongoose
$ cd mongoose
$ npm install

Run

First start mongod:

$ mongod

Then connect to database:

$ node connection

connection.js

var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/dbname');

var connection = mongoose.connection;

connection.on('connected', function() {
    console.log('connected to db');
});

connection.on('disconnected', function() {
    console.log('disconnected to db');
});

connection.on('error', function(error) {
    console.log('db connection error', error);
});

process.on('SIGINT', function() {
    connection.close(function() {
        console.log('db connection closed due to process termination');
        process.exit(0);
    });
});

module.exports = connection;

package.json

{
  "dependencies": {
    "mongoose": "^4.7.6"
  }
}