FastAPI & Postgres for the backend. REST + websockets for the API. Over the years I've tried all kinds of BaaS and more magic "X as a service" solutions, but I

FastAPI & Postgres for the backend. REST + websockets for the API. Over the years I've tried all kinds of BaaS and more magic "X as a service" solutions, but I often hit some edgecase or limitation that is a dead-end or run into some bug I can't fix myself. So I prefer the flexibility and robustness of Postrgres with the ecosystem of Python.