Multi-Tenant SaaS Architecture: What Nobody Tells...

Multi-tenancy is one of those decisions that looks simple on a whiteboard and complicated in production. Choosing the wrong isolation model at the start — or not consciously choosing at all — creates a class of problems that are genuinely hard to undo later. Here's what you should know before you write the first migration. The Three Isolation Models (and the Trade-offs Nobody Leads With) Every multi-tenant SaaS sits somewhere on a spectrum between full isolation and full shared infrastructure. T