This is the pattern I wish someone had handed me two years ago when I was still git-branching every client into their own forked repo (yes, really, it was as bad as it sounds). One client needs different colors. Another needs their logo on the login screen. A third wants to hide the entire invoicing module because they only use it for lead capture. If you fork the core for each of those, you're signing up to merge bug fixes across 7 repos forever. Don't do that. Here's what I do instead. The mental model: core stays sacred, everything else is config The trick is treating your CRM as two things stacked on top of each other: Core app code. Routes, business logic, database schema. Untouchable. Same for every tenant. A branding + feature override layer. Env vars, CSS tokens, email templates, assets, feature flags. This is the ONLY thing that changes between deployments.…