📚 Bookstore Microservices

A scalable Bookstore Management System built using Spring Boot Microservices Architecture. The project demonstrates service decomposition, API Gateway, Service Discovery, JWT Authentication, and inter-service communication following modern backend development practices.

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🌐 Architecture

                   Client
                      │
                      ▼
                API Gateway
                      │
        ┌─────────────┴─────────────┐
        │                           │
        ▼                           ▼
   User Service               Book Service
        │                           │
        └─────────────┬─────────────┘
                      │
              Eureka Discovery Server
                      │
                   MySQL Database

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🚀 Microservices

🔹 API Gateway

• Single entry point for all client requests
• Routes requests to appropriate microservices
• Centralized request handling

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🔹 Discovery Server

• Eureka Service Registry
• Service registration
• Dynamic service discovery

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🔹 User Service

Responsible for:

• User Registration
• User Login
• JWT Authentication
• Password Encryption
• User Management

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🔹 Book Service

Responsible for:

• Add Book
• Update Book
• Delete Book
• Search Books
• Pagination
• Category Management

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✨ Features

• Spring Boot Microservices
• Spring Cloud Gateway
• Eureka Discovery Server
• JWT Authentication
• RESTful APIs
• Layered Architecture
• Spring Data JPA
• MySQL Integration
• Exception Handling
• Validation
• Lombok
• Maven Build
• Docker Ready

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🛠 Tech Stack

Backend

• Java 21
• Spring Boot
• Spring Cloud
• Spring Security
• Spring Data JPA
• Maven

Database

• MySQL

Security

• JWT Authentication
• BCrypt Password Encoder

Tools

• IntelliJ IDEA
• Postman
• Git
• GitHub
• Docker

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📁 Project Structure

bookstore-microservices
│
├── api-gateway
│
├── discovery-server
│
├── user-service
│
├── book-service
│
├── docker-compose.yml
│
└── README.md

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📦 APIs

User Service

Method	Endpoint	Description
POST	/auth/register	Register User
POST	/auth/login	Login User

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Book Service

Method	Endpoint	Description
POST	/books	Add Book
GET	/books	Get All Books
GET	/books/{id}	Get Book
PUT	/books/{id}	Update Book
DELETE	/books/{id}	Delete Book

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🔐 Security

• JWT Authentication
• Password Encryption
• Protected APIs
• Role-Based Authorization
• Secure REST APIs

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▶️ Running the Project

Clone Repository

git clone https://github.com/Luffy992/bookstore-microservices.git

Start Eureka Server

Run discovery-server

Start User Service

Run user-service

Start Book Service

Run book-service

Start API Gateway

Run api-gateway

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🧪 API Testing

All APIs were tested using Postman.

Modules Tested:

• Authentication
• User Management
• Book Management

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📚 Learning Outcomes

This project helped me understand:

• Microservices Architecture
• API Gateway
• Service Discovery
• REST API Design
• Spring Security
• JWT Authentication
• Inter-Service Communication
• Spring Cloud
• Docker Basics

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🚀 Future Improvements

• Config Server
• Order Service
• Notification Service
• Docker Compose Deployment
• Kubernetes
• Redis Cache
• Kafka Messaging
• CI/CD Pipeline

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👨‍💻 Author

Somesh Ramola

GitHub: https://github.com/Luffy992

LinkedIn: www.linkedin.com/in/somesh-ramola

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📄 License

This project is licensed under the MIT License.