What fundamental premise drove the creation of Supabase as an open-source alternative to Firebase?

When we launched in 2020, Firebase had proven that developers loved rapid backend scaffolding, but developers despised proprietary vendor lock-in and the limitations of NoSQL databases. We realized that Postgres was the most extensible, mature, and powerful relational database in human history. By wrapping open-source Postgres with auto-generated REST APIs, real-time websockets, authentication, and storage, we gave developers enterprise power without proprietary constraints.