System design educator; posts actionable breakdowns on scaling, load balancing, deployment, and platform/architecture strategy for leaders.
If I had to scale an app from 0 to 1 million users, here's what I'd do (step by step): There are different ways to scale & this is just one of them. The best solution & numbers will depend on your needs. Keep it simple and avoid over-engineering. Remember, everything is a tradeoff. What else would you add?

How LLM works explained in 2 mins or less: Large Language Models (LLMs) are like smart autocomplete. They make predictions based on the massive data they got trained on. It doesn't know facts, but predicts probabilities. Here's how it works:
If you want to become good at system design, learn these 15 case studies (save this now):