A full-stack online bookstore built using Spring Boot microservices and a React frontend, designed to demonstrate scalable system design, secure authentication, and resilient service communication.

• Java, Spring Boot
• Spring Cloud (Eureka Service Discovery, OpenFeign)
• JWT Authentication
• Redis (Refresh Tokens)
• JUnit & Mockito (Unit Testing)

• React (Vite)
• JavaScript (ES6+)
• HTML5, CSS (Inline styling)

• Docker & Docker Compose
• Environment-based configuration using .env

The application follows a microservices architecture, where each service is independently deployable and communicates via REST.

• Service Responsibility
• Auth Service JWT authentication & token refresh
• User Service User management
• Book Service Book catalog & inventory
• Cart Service Shopping cart management
• Order Service Order placement & processing
• Discovery Service Eureka server for service registration

• JWT-based Authentication with secure refresh token handling
• Service Discovery (Eureka) for dynamic service registration
• Inter-service communication using OpenFeign
• Resilient order processing with retry, fallback, and failure handling
• Unit testing with JUnit & Mockito
• Dockerized microservices for consistent local development
• Clean layered architecture following SOLID principles

• Cloud deployment (AWS/GCP/Azure)
• API Gateway integration
• CI/CD pipeline
• Centralized logging & monitoring

Niha Shaikh
Software Engineer | Java / Full-Stack Developer

🔗 LinkedIn: https://www.linkedin.com/in/niha-shaikh-811685170/

💻 GitHub: https://github.com/Niha-21