When a user clicks a button on your website, the request may not stay inside one server. In modern applications, one request can travel through many services. For example: A frontend app calls an API Gateway.The API Gateway calls the…
Introduction When you build a frontend and backend separately, you will often face CORS errors and token errors. These errors are very common in real projects, especially when your frontend runs on one URL and your backend API runs on…
Modern web applications receive thousands of requests every day. Without proper protection, your API can become vulnerable to abuse, brute-force attacks, excessive traffic, and even server crashes. This is where a Rate Limiter in Node.js becomes extremely important. A rate…
Cannot GET / Route Express Fix If you are learning Node.js and Express.js, one of the most common errors you will see is: This error confuses many beginners because the server is running correctly, but the browser still shows an…
