Setting up cloud infrastructure is the easy 10%. You click through a console or run a few Terraform files, things come up, it works, everyone's happy. Then the other 90% starts, the part that actually decides whether your setup is a foundation or a slow-motion incident, and almost nobody talks about that part until they're living in it at 3am. So here's the 90%, roughly in the order it bites. Setting up cloud infrastructure is the easy 10%. You click through a console or run a few Terraform ...