Fedi-brain, who's got recommendations for an online course that would cover the basics of web application architecture? Paid fine if it's worth it.
Background is it's for a collaborator with a background in (environmental) science, who's landed in a reasonably complex web app project (Python/Pydantic/TypeScript/RSJF) — most of her work is the science calculations side, but she'd like to know more about what the other parts of the app are doing.