Conceitos do NodeJS

-> JS backend

Not a language, but a plataform

NPM/YARN

Package manager
Use yarn for better speeds
Works like php's composer

Caracteristics

Based on events
Works with call stack (function call loops)
Single thread
Non-blocking I/O (create real time apps)

Frameworks -> ExpressJS

Has less 'opinion'
Allows to build more flexible apps
Micro-services

API REST concepts

Requests and responses
Not MVC
Allows being used by multiple clients (react, rn, etc)