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Hey readers, I once spent six hours debugging an error in our new microservices architecture. A user would click “Purchase,” and a generic “Something went wrong” error would pop up....
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Hey readers, Imagine you’re building a massive application with users all over the world. To make it fast, you have two identical database servers: one in London and...
Hey readers, Imagine you’re building a new feature for a photo-sharing app. When a user uploads a new profile picture, the app needs to do several things: save...
Hey readers, Most developers start their journey by building a monolith. That’s a fancy word for an application where everything lives in one single codebase. The user authentication,...
Hey readers, I once worked on a social media site where the homepage loaded the top 10 most popular posts from the last 24 hours. It was the...
Hey readers, On one of my first major projects, we had to store user profiles. We chose a database we were familiar with and started building. Everything worked...
Hey readers, Every developer has lived this nightmare. You spend weeks building a new feature. It works perfectly on your laptop. You deploy it to the server, and…...
Hey readers, In our last post, we designed a beautiful, well-organized API that was as clean as a library. But there’s a problem: the front door is wide...
Hey readers, I once had to work with an API where the endpoint to get a user’s data was /getUserData, but the endpoint to update it was /update_user_info....