Imagine this: Your server goes down for a few seconds. 10,000 clients all send a request at t=0. It fails. They all retry after 1s → fail again → retry after 2s → fail → retry after 4s. You’ve just created a stampede — all 10k clients hammering ...
In simple terms, Idempotency in HTTP requests is “doing the same operation multiple times has the same effect as doing it once”. For operations that create side effects, e.g. POST requests, idempotency keys let the server detect duplicate attempts an...
Most developers think sending a request is simple — fetch('/api') and done. We can treat requests as fire-and-forget, and just move on. But at scale, naive requests kill performance and reliability. Requests aren’t cheap — they’re one of the most exp...
Hello again👋 So… this article should have been released about a month ago — but the past few weeks have basically been: Anyway, we’re back!In the last few articles, we explored the foundations of building a Django backend: models, serializers, view...
You've set up your project, defined your models, and taken full advantage of Django’s powerful built-in features. Now it’s time to take things one step further — into the world of APIs. Django REST Framework (DRF) is the toolkit that turns Django int...
Welcome back to Django Backend Foundations! Having established your Django project's core environment in Part 1 and built its foundational structure with apps, models, and views in Part 2, you're now ready to unlock what makes Django such a powerful ...
