Mock modepayments, email are simulated. No real payments, emails or production data.
The pre-flight before a deploy, and the order to work in when something breaks in production.
Related course
AI Automation Lab
Schema decisions, RLS patterns and the two keys — with the mistakes that are expensive to undo.
What "finished" means, and the checks between a working localhost and something you can send to a person.
The commands you actually type, what each one is for, and how to get back when something goes wrong.