A progressive Node.js framework for building efficient and scalable server-side applications.

Description

NestJS Chat Application with Microservices Architecture

This repository contains a simple Chat Application built with NestJS, showcasing a modular microservices architecture. The project includes real-time messaging powered by WebSockets, as well as RESTful APIs for chat management and user authentication.

Features

Auth Service

• JWT Authentication: Secure authentication using private/public key for token signing and verification.
• Token Validation: Seamless token validation across all microservices. run on port 3002 by default
• Endpoints:
  • /login: Authenticate users and issue tokens.
  • /register: create new user.

Chat Service

• RESTful API: Provides endpoints to create and manage chat sessions. run on port 3000 by default
• Endpoints:
  • /chats: Create new chats.

WebSocket Service

• Real-Time Messaging: Enables users to subscribe to and exchange messages in real-time. run on port 3001 by default
• WebSocket Events:
  • chat_created: Subscribe to chat

Architecture

• Microservices: Each service is isolated and communicates via RMQ transport.
• Dockerized: Fully containerized for simplified deployment and scaling.
• Shared Modules: Reusable modules for common functionality across services.

Getting Started

Prerequisites

• Docker & Docker Compose installed.

Installation

1. Clone the repository:

   git clone https://github.com/your-repo-link.git
   cd your-repo-link

2. Change .env.development inside each /apps if needed

3. Run

   docker compose up --build