A poc for implementation of "Sliding Window Counter" algorithm for limiting API calls in nodeJS using "express-rate-limit" and redis

1. Clone this repository
2. npm i --save
3. Install Redis(https://redis.io/download) on your system
4. Start Redis server
5. Set WINDOW_SIZE_IN_HOURS to the number of hours of the window, MAX_WINDOW_REQUEST_COUNT as the max number of api calls within WINDOW_SIZE_IN_HOURS duration in the file app/modules/books/middleware/rateLimiter.js
6. Start node server
7. In Postman, fire a GET API to 'http://localhost:8080/api/booksAPI/books_routes/books' and check the results.