🛒 ShopSmart - Microservices E-Commerce Platform

Enterprise-Grade Shopping Experience with Microservices Architecture

Live Demo

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📋 Table of Contents

• Overview
• Key Features
• Microservices Architecture
• Tech Stack
• System Architecture
• Getting Started
• API Gateway & Endpoints
• Frontend Structure
• Screenshots
• Performance & Scalability
• Security
• Monitoring & Observability
• CI/CD Pipeline
• Contributing
• License
• Contact

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🌟 Overview

ShopSmart is a production-ready, scalable e-commerce platform built using Microservices Architecture. Inspired by industry leaders like Flipkart and Amazon, it delivers a seamless shopping experience with robust backend services, event-driven communication, and a modern React-based UI.

🎯 Problem Statement

Traditional monolithic e-commerce platforms face:

• ❌ Scalability bottlenecks
• ❌ Single point of failure
• ❌ Difficult deployment and maintenance
• ❌ Technology stack lock-in
• ❌ Poor resource utilization

💡 Our Solution

ShopSmart leverages microservices to provide:

• ✅ Independent Scalability - Scale services based on demand
• ✅ Fault Isolation - Service failures don't crash the entire system
• ✅ Technology Flexibility - Use best tools for each service
• ✅ Faster Deployment - Deploy services independently
• ✅ Event-Driven Architecture - Real-time updates via Kafka
• ✅ High Availability - Distributed system with load balancing

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✨ Key Features

🛍️ Customer Features

🔐 Authentication & Profile Secure JWT-based authentication Social login (Google, Facebook) User profile management Address book with multiple addresses Wishlist functionality Order history tracking 🔍 Product Discovery Advanced search with autocomplete Category-wise browsing Dynamic filters (price, brand, rating) Product recommendations "Deals of the Day" section Brand showcase Real-time stock updates

🛒 Shopping Experience Smart cart with real-time updates Guest checkout option Multiple payment methods Coupon & discount codes Product reviews & ratings Image zoom & gallery view Size & variant selection 📦 Order Management Real-time order tracking Order status notifications Invoice generation Return & refund requests Order cancellation Reorder functionality

🎛️ Admin Dashboard

Feature	Description
📊 Analytics Dashboard	Sales metrics, revenue charts, customer analytics
📦 Product Management	CRUD operations, bulk upload, inventory control
👥 User Management	Customer data, seller verification, role management
🏷️ Category Management	Create/edit categories, manage attributes
💰 Order Management	Order processing, status updates, refund handling
🎯 Marketing Tools	Banner management, coupon creation, email campaigns
📈 Reports	Sales reports, inventory reports, customer insights

🏪 Seller Portal

• Seller registration & verification
• Product listing & management
• Inventory tracking
• Order fulfillment
• Sales analytics
• Payment settlements

## 🏗️ Microservices Architecture

ShopSmart is built using **12+ microservices** for modularity and scalability:
┌─────────────────────────────────────────────────────────────────┐
│ MICROSERVICES ECOSYSTEM │
├─────────────────────────────────────────────────────────────────┤
│ │
│ ┌────────────────┐ ┌────────────────┐ ┌────────────────┐ │
│ │ API Gateway │ │ Service │ │ Config │ │
│ │ (Port: 8765) │ │ Discovery │ │ Server │ │
│ │ - Routing │ │ (Eureka) │ │ (Centralized) │ │
│ │ - Load Balance│ │ (Port: 8761) │ │ (Port: 8888) │ │
│ └────────────────┘ └────────────────┘ └────────────────┘ │
│ │
│ ┌────────────────────────────────────────────────────────┐ │
│ │ CORE BUSINESS SERVICES │ │
│ ├────────────────────────────────────────────────────────┤ │
│ │ │ │
│ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │
│ │ │ User Service │ │Auth Service │ │Product Service│ │ │
│ │ │ (Port: 8081) │ │(Port: 8082) │ │(Port: 8083) │ │ │
│ │ │- Registration│ │- JWT Auth │ │- Catalog │ │ │
│ │ │- Profile Mgmt│ │- OAuth2 │ │- Search │ │ │
│ │ │- MySQL │ │- Redis Cache │ │- MongoDB │ │ │
│ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │
│ │ │ │
│ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │
│ │ │ Cart Service │ │Order Service │ │Payment Service│ │ │
│ │ │ (Port: 8084) │ │(Port: 8085) │ │(Port: 8086) │ │ │
│ │ │- Add/Remove │ │- Place Order │ │- Razorpay │ │ │
│ │ │- Calculations│ │- Tracking │ │- Stripe │ │ │
│ │ │- Redis Cache │ │- MySQL │ │- Webhooks │ │ │
│ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │
│ │ │ │
│ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │
│ │ │Inventory Svc │ │Review Service│ │Notification │ │ │
│ │ │ (Port: 8087) │ │(Port: 8088) │ │Service │ │ │
│ │ │- Stock Mgmt │ │- Ratings │ │(Port: 8089) │ │ │
│ │ │- Warehouses │ │- Comments │ │- Email/SMS │ │ │
│ │ │- PostgreSQL │ │- MongoDB │ │- Kafka │ │ │
│ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │
│ │ │ │
│ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │
│ │ │Search Service│ │Recommendation│ │Analytics Svc │ │ │
│ │ │ (Port: 8090) │ │Service │ │(Port: 8092) │ │ │
│ │ │- Elasticsearch│ │(Port: 8091) │ │- Metrics │ │ │
│ │ │- Autocomplete│ │- ML Models │ │- Reports │ │ │
│ │ │- Filters │ │- Redis │ │- Dashboards │ │ │
│ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │
│ └────────────────────────────────────────────────────────┘ │
│ │
│ ┌────────────────────────────────────────────────────────┐ │
│ │ EVENT STREAMING & MESSAGE BROKER │ │
│ ├────────────────────────────────────────────────────────┤ │
│ │ Apache Kafka (Event-Driven Communication) │ │
│ │ - Order Events - Payment Events - Inventory Updates │ │
│ │ - Notifications - Analytics Events │ │
│ └────────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────────┘
## 🛠️ Tech Stack

### Backend Microservices:
├── Framework & Core
│ ├── Spring Boot 3.2.1
│ ├── Spring Cloud 2023.0.0
│ │ ├── Spring Cloud Gateway (API Gateway)
│ │ ├── Netflix Eureka (Service Discovery)
│ │ ├── Spring Cloud Config (Centralized Config)
│ │ ├── Spring Cloud OpenFeign (Inter-service Communication)
│ │ └── Resilience4j (Circuit Breaker)
│ ├── Spring Security 6.2
│ ├── Spring Data JPA
│ └── Spring Kafka
│
├── Databases (Polyglot Persistence)
│ ├── MySQL 8.0 (User, Order, Payment)
│ ├── MongoDB 6.0 (Product, Review)
│ ├── PostgreSQL 15 (Inventory, Analytics)
│
├── Message Broker
│ └── Apache Kafka 3.6
│ ├── order-events
│ ├── payment-events
│ ├── inventory-events
│ └── notification-events
│
├── Security
│ ├── JWT (io.jsonwebtoken)
│ ├── BCrypt Password Encoder
│ ├── OAuth2 (Google, Facebook)
│ └── API Rate Limiting
│
└── Build & Deployment
├── Maven 3.9
├── Docker & Docker Compose
└── Kubernetes (K8s)

### Frontend Architecture:
├── Core Framework
│ ├── React 18.2.0
│ ├── React Hooks
│ ├── Context API (State Management)
│ └── React Router DOM 6.20
│
├── UI & Styling
│ ├── Tailwind CSS 3.3
│ ├── Headless UI
│ ├── Framer Motion (Animations)
│ ├── React Icons
│ └── Swiper.js (Carousels)
│
├── HTTP & API
│ ├── Axios 1.6.2
│ ├── Axios Interceptors
│ └── React Query (Data Fetching & Caching)
│
├── Form Management
│ ├── React Hook Form
│ └── Yup (Validation)
│
└── Build Tools
├── Webpack 5
├── Babel
└── ESLint + Prettier

## 🏗️ System Architecture:
                      ┌─────────────────────┐
                      │   Load Balancer     │
                      │    (Nginx/AWS)      │
                      └──────────┬──────────┘
                                 │
     ┌───────────────────────────┼───────────────────────────┐
     │                           │                           │
┌────────▼────────┐ ┌────────▼────────┐ ┌────────▼────────┐
│ React Web App │ │ Mobile App │ │ Admin Panel │
│ (Port: 3000) │ │ (React Native) │ │ (Port: 3001) │
└────────┬────────┘ └────────┬────────┘ └────────┬────────┘
│ │ │
└───────────────────────────┼───────────────────────────┘
│
┌──────────▼──────────┐
│ API Gateway │
│ (Port: 8765) │
└──────────┬──────────┘
│
┌──────────────────────┼──────────────────────┐
│ │ │
┌────────▼────────┐ ┌─────────▼────────┐ ┌─────────▼────────┐
│ Service │ │ Config Server │ │ Circuit Breaker │
│ Discovery │ │ (Centralized) │ │ (Resilience4j) │
│ (Eureka:8761) │ │ (Port: 8888) │ │ │
└─────────────────┘ └──────────────────┘ └──────────────────┘

## 🚀 Getting Started

### Prerequisites

| Software | Version | Download Link |
|----------|---------|---------------|
| ☕ **Java JDK** | 17+ | [Download](https://www.oracle.com/java/technologies/downloads/) |
| 🟢 **Node.js** | 16+ | [Download](https://nodejs.org/) |
| 🐬 **MySQL** | 8.0+ | [Download](https://dev.mysql.com/downloads/) |
| 🍃 **MongoDB** | 6.0+ | [Download](https://www.mongodb.com/try/download/community) |
| 🐘 **PostgreSQL** | 15+ | [Download](https://www.postgresql.org/download/) |
| 🔴 **Redis** | 7.0+ | [Download](https://redis.io/download) |
| 🦅 **Apache Kafka** | 3.6+ | [Download](https://kafka.apache.org/downloads) |
| 📦 **Maven** | 3.8+ | [Download](https://maven.apache.org/download.cgi) |
| 🐋 **Docker** | 24+ | [Download](https://www.docker.com/products/docker-desktop) |
| 🔧 **Git** | Latest | [Download](https://git-scm.com/downloads) |

📸 Screenshots 🏠 Eureka Dashboard :

🏠 Shopsmart Dashboard :

🛍️ Shopsmart Catogaries:

🛍️ Shopsmart All Products:

🛒 Sign in Page:

💳 User Profile Page :

⚡ Performance & Scalability
Performance Metrics
Metric	Value
API Response Time	< 100ms
Database Query	< 50ms
Cache Hit Ratio	85%
Throughput	5000 req/s
Uptime	99.9%

🔒 Security
✅ JWT Token Authentication
✅ BCrypt Password Hashing (12 rounds)
✅ OAuth2 Social Login
✅ API Rate Limiting
✅ SQL Injection Prevention
✅ XSS Protection
✅ CORS Configuration
✅ HTTPS/TLS Encryption

📄 License This project is licensed under the MIT License - see the LICENSE file.

🤝 Contributing Contributions are what make the open source community amazing! Any contributions you make are greatly appreciated.

👨‍💻 Amit Ingale

📞 Contact
Developer Information

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