Multi Tenant Role Based Access Control (RBAC) Authentication API

Sponsor

Thank you to Neon for sponsoring this video!

Features

Create an application
Register a user for an application
Login
Create a role
Assign a role to a user
Check user permissions with a guard

What are we using?

What you'll need

Editor - VS Code
Node.js - Download
A database - PostgreSQL by Neon
A REST client - Thunder Client

What you will learn

How to create a multi tenant application
How to create a role based access control system
Some basic relational database concepts
A nice and neat file structure for backend services
TypeScript
Fastify
RESTful API design
How to use Drizzle ORM

Data structure

Data flow

Video structure

Setup the initial application
Create a database with Neon
Create database schemas
Run migrations
Register an application
Register a user
Login
Create a role
Assign a role to a user
Check user permissions with a guard

Helpful files

CMD - Commands used in the video
api.json - Thunder Client collection

Tips

Infer the applicationId from the JWT where possible
Include the applicationId in queries