README.md

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NestJS microservices show case

Tech Stack

• NestJS
• NATS (Message Broker)
• GraphQL API (CodeFirst)
• Vite+React+TypeScript+Tailwind (Simple Frontend to use API)
• Lerna (Monorepo)

Description

This is a simple show case of NestJS microservices. It has 3 microservices:

1. packages\api - GraphQL API microservice
2. packages\ai - translation microservice (uses ChatGPT API), event-based communications.
3. packages\user - user microservice (create\find and etc), message-based communcations.

It works through event-based communication. All messages are non-blocking and are sent through the NATS message broker. There could be multiple instances of the AI microservice, which will be automatically load balanced by NATS using a queue.

Structure

How to run

1. npm run start:nats-server
2. npm run start:dev

• Front end will be available at http://localhost:3001
• GraphqlAPI will be available at http://localhost:3000/graphql

Screenshots