Launch HN: Fortress (YC S24) – Database platform for multi-tenant SaaS

Hi HN! We're Will, John, and David from Fortress ( https://fortress.build ). We're building a Bring Your Own Cloud (BYOC) backend as a service for multi-tenant SaaS apps, simplifying tenant data isolation across both shared and dedicated database instances. There’s a demo here: https://www.loom.com/share/761cac3090ba4db8b2ce9d713873333a?... , as well as a walkthrough of our Python SDK: https://www.loom.com/share/c4b3f95235e24d99a7ea571c4564602b YC initially funded us for AI web-scraping, but early in the batch we realized we wanted to pivot to something in data privacy - in some ways the opposite of web-scraping… From talking with SaaS developers, we learned tenant isolation (making sure one customer’s data is not shown to another) is often considered in development but rarely a core competency. Many developers struggled setting up Row-Level-Security (RLS) correctly on Postgres, some are enforcing application level access cont