Scaling an MVC App to Millions of Users (What Actually Changes)
How I’d evolve a simple EC2 + RDS MVC app into a system that can handle millions of users, layer by layer, without overengineering too early.
Engineering notes / field journal
Backend systems, architecture, AI workflows, and the small decisions that decide whether software stays calm under pressure.
Short enough to scan. Useful enough to come back to.
How I’d evolve a simple EC2 + RDS MVC app into a system that can handle millions of users, layer by layer, without overengineering too early.