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Introduction Imagine a virtual computer so small and so fast that it starts up in less time than it takes you to blink. Now imagine thousands of them running on a single physical server, each one comp

If you work long enough in software development, you eventually realize something uncomfortable:most systems don’t fail because of bad code — they fail because of rushed decisions. Modern development looks fast and exciting. New frameworks appear con...

Why do some bugs only appear after deployment, even when tests pass locally? Early in my backend work, I kept hearing discussions around stateful vs stateless. It felt academic at first, but once I started dealing with scaling issues, flaky tests, an...

Let's understand the difference by taking an example of RDS and S3 let's illustrate the difference between stateful and stateless applications by giving an examples of AWS cloud services (RDS & S3): Stateful Application 🏰: Example: Relational Databa...
