Guides, architectural notes, and case studies from building production web systems.
Three years in, and a handful of questions about multi-tenancy, brokers, providers, and REST still caught me flat-footed. Here's what I actually knew, what I didn't, and what I've pinned down since.
A Reddit thread about how YouTube scales its database sent me down a rabbit hole through Vitess, Citus, Aurora, and Redis internals, only to realize I have about four users per project.