Rate Limiter using Node.js & REDIS

Intro

This Rate Limiter application is a part of the Episode - 1 of SharedX organised on Saturday, March 23, 2019 in Noida

This application is using the Node-API-Template. You can read about the codebase structure there.

How to RUN

git clone git@github.com:shredx/node-redis-rate-limiter.git
npm install
npm run dev

Note: Make sure REDIS is running

Gotchas

Don't forget to create a .env file

Concept

Create and store users in REDIS
Provide Subscription Keys to the users
- A user cannot have more than 3 keys
Each key has usage limit aggisned to it
Based on the usage the user is blocked from accessing the routes/features

Components

REDIS
Node.js API Service which publishes usages to the REDIS pub-sub
Golang API Service that manages the usages and broadcast the BLOCK event
Node.js API Gateway which blocks the users
- This service maintains a local cache

Todos

Add link to different services
Add list of contributors
Dcoumentation for the application