Any roadmap to support multiple instances?

[toraritte]

In case someone is looking for concrete examples on workarounds, @danbst was super helpful in this thread:

How to configure PostgreSQL declaratively (NixOS and non-NixOS)?

Hi, With my limited knowledge, I’m trying to figure out how to configure a PostgreSQL database in my dev environment, created via a shell.nix file. Currently, in shellHook, I edit postgresql.conf with sed right after calling initdb, but there has to be a better solution, especially if many options need to configured. Tried passing the configuration options directly to pg_ctl but they don’t seem to take effect: pg_ctl \ …

^{… and putting this here for posterity: Nixpkgs issue #2660}