Introduction to NodeJS and the MEAN stack (MongoDB, ExpressJS, AngularJS and NodeJS) presented at the II SorocabaJS in Sorocaba (SP) Brazil, on 14th of November, 2015. This is a simple introduction to the technology in order to carry a Coding Dojo activity.

1. NODE.JS
Vitor Casadei
II SorocabaJS - 14/11/2015

2. Vitor Casadei
Web Developer
Computer Scientist
Works @ CESAR
github.com/vcasadei
fb.com/vcasadei
casadei.io

3. What is Node.js?
● Server-side JavaScript
● Runs on Linux, Windows, Mac OS & most other major
operating systems
● Asynchronous I/O
● Swiss army knife
● Open Source =)

4. Why Node?
● It is light!
● It is fast!
● It is easy!
● Big community!
● It is fast to code and easy learn!
● It is JavaScript!
● Supports nearly 1 mi concurrent connections!

5. To npm, or not to npm
● Node Package Manager
● Manages dependencies
● In JavaScript
● Comes with Node.js
$ npm install <anything>

6. Example - creating simple http server

7. MEAN

8. express.js
"Fast, unopinionated, minimalist web framework for
Node.js"
● Makes everything easier!
● More flexible!
$ npm install express

9. express.js - Hello World

10. mongoDB
High performance, noSQL, document-oriented db
● Works great with Node.js!
● JSON documents
$ npm install mongoose

11. mongoDB - Dog

12. mongoDB - Dog

13. The app - To-do app
● Must:
○ create
○ delete
○ check
○ list to-do items
● Only Back-end

14. Let's code!