NestJS Authentication with OAuth2.0: Fastify Local OAuth

Series Intro

This series will cover the full implementation of OAuth2.0 Authentication in NestJS for the following types of APIs:

And it is divided in 5 parts:

• Configuration and operations;
• Express Local OAuth REST API;
• Fastify Local OAuth REST API;
• Apollo Local OAuth GraphQL API;
• Adding External OAuth Providers to our API;

Lets start the third part of this series.

Tutorial Intro

On this tutorial we will change the adapter from our previous REST API, from Express to Fastify.

TLDR: if you do not have 25 minutes to read the article, the code can be found on this repo

Set Up

Start by removing express and its dependencies:

$ yarn remove @types/express @types/express-serve-static-core @nestjs/platform-express cookie-parser helmet @types/cookie-parser

And install the fastify ones:

$ yarn add @nestjs/platform-fastify fastify @fastify/cookie @fastify/cors...