🔐 Rate Limit Service (Token Bucket + Redis)

This project is a simple and extensible Rate Limiting microservice implemented with Spring Boot and Redis using the Token Bucket algorithm.

---

🚀 Features

• ✅ Token Bucket algorithm implementation
• ✅ Redis-based in-memory bucket store
• ✅ Supports per-user rate limiting via X-User-ID header
• ✅ JSON API with clear HTTP responses
• ✅ Easy to extend with other algorithms (sliding window, leaky bucket)
• ✅ Clean and testable code structure

---

🏗️ Tech Stack

• Java 21
• Spring Boot 3.5.x
• Redis (local or Docker)
• Maven
• JUnit & Mockito (for testing)