Readme.md

Microservices E-Commerce Application

Overview

This project is a microservices-based e-commerce application consisting of User Service, Product Service, Order Service, and a GraphQL Gateway. It uses Kafka for event-driven communication between services and MongoDB for data storage.

Flow Diagram

Key Features

• User registration and authentication
• Product management and inventory
• Order processing and management
• GraphQL API for client applications
• Event-driven communication using Kafka
• Custom Dead Letter Queue (DLQ) for handling failed messages

Architecture

• User Service: Manages user registration, authentication, and profiles
• Product Service: Handles product management and inventory
• Order Service: Processes and manages orders
• GraphQL Gateway: Provides a unified API for client applications
• Kafka: Used for inter-service communication
• DLQ Service: Manages messages that fail processing
• MongoDB: Database for all services

Prerequisites

• Docker
• Docker Compose

Quick Start

1. Clone the repository:

   git clone https://github.com/mittal-sudhanshu/ecommerce
   cd ecommerce
   

2. Start the services:

   docker-compose up -d
   

3. The services will be available at:

   • GraphQL Gateway: http://localhost:4000
   • User Service: http://localhost:5000
   • Product Service: http://localhost:5002
   • Order Service: http://localhost:5001
   • Dlq Service: http://localhost:8000

Service Specific READMEs

• User Service
• Product Service
• Order Service
• GraphQL Gateway
• DLQ Service