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Why we picked it Your product is multi-tenant the moment two customers share it, and this explains exactly why that is painful to retrofit later. Even if you never touch code yourself, understanding tenant isolation helps you ask your platform or a future developer the right questions. It is the concept that most quietly decides whether a rebuild is easy or brutal.
The developer's guide to SaaS multi-tenant architecture
From WorkOS by WorkOS long read
- Isolate every tenant's data from the very first customer
- Retrofitting tenancy means finding hidden global assumptions everywhere
- Auth and billing are entangled with tenancy, so plan them together
