nishankkoul.hashnode.devNginx: The Web Server Powering the Modern InternetWhen you open a website and it loads almost instantly, there’s a good chance Nginx is behind it. Today, Nginx powers more than one-third of all active websites, including giants like Netflix, Dropbox, and WordPress. But what makes Nginx so fast, reli...Sep 21, 2025·4 min read
nishankkoul.hashnode.dev🔐 API Authentication Explained: API Key vs JWT vs OAuthHave you ever wondered how websites and apps ensure the right person or system is accessing the right data? Why can you log into your email from your phone but not someone else’s? That’s the magic of API authentication, a fundamental part of modern a...Jul 26, 2025·5 min read
nishankkoul.hashnode.dev🚀 Kubernetes Series – Day 6: Multi-Node Cluster Setup"With a multi-node Kubernetes cluster, you're not just running containers, you’re simulating production at scale, right from your local machine." If you're exploring Kubernetes and want to simulate a real-world, multi-node cluster locally, then kind ...Jul 25, 2025·3 min read
nishankkoul.hashnode.dev🔍 What Happens When You Type a URL in the Browser?Have you ever wondered what really happens under the hood when you type something like https://example.com into your browser’s address bar and hit Enter? It's easy to overlook how complex this seemingly simple process is. In this blog, we’ll walk thr...Jul 21, 2025·4 min read
nishankkoul.hashnode.dev🔐 How SSL Works?In the vast landscape of the internet, where data flows at the speed of light, security is no longer optional; it's essential. Every time you see that comforting padlock icon in your browser's address bar, it's thanks to a technology called SSL (Secu...Jul 20, 2025·4 min read
