Hash user Password before inserting into Database while Registering a user using bcrypt

hashing.js

// package used 
var bcrypt = require('bcrypt-nodejs');

bcrypt.hash(password, null, null, function(err, hash) {
  
  
  // password -> raw password ( req.body.password) 
  // hash -> hashed password 
  // connect and insert to database
  var db = require('../db'); // open connection to database 
  db.query('INSERT INTO user(username,password,is_student) VALUES(?,?,?)',[username,hash,is_student],function(err){
     				if(err) throw err;
     				res.render('auth/register',{msg:'Registration Successfull'});
     		});

});