1. fly.io sells redis hosted by upstash. But you are correct in the sense that default fly.io PostgreSQL was unmanaged and probably subsidized, and recent Postg

1. fly.io sells redis hosted by upstash. But you are correct in the sense that default fly.io PostgreSQL was unmanaged and probably subsidized, and recent PostgreSQL is probably more expensive. But while I think you cannot directly say that tenfold increase in price means tenfold increase in complexity, I am just saying that it is complex. 2. It is surprisingly common to see people preferring Lucene-based search engines over Postgres. I don't know about your alternatives and not saying anything about them.