Mongoose, add new Blog!

const express = require('express');
const mongoose = require('mongoose');

mongoose.connect('mongodb://localhost/demo', {useNewUrlParser: true})
    .then(() => console.log('Connection successfull'))
    .catch(err => console.error(err));

const BlogSchema =  mongoose.Schema({
    name:String,
    email:String,
    mobile:Number,
    message:String
}, {
    strict: false
});

const BlogModel = mongoose.model('Blog', BlogSchema);

const brisaBlog = new BlogModel({
    name: 'brisa',
    email: '[email protected]',
    mobile: 123,
    message: 'Some interesting message here'
});

brisaBlog.save((err, res) => {
    if (err) {
        console.log('ERROR ' + err);
    } else {
        console.log('SUCESSS' + res);
    }
});