How to use Postgres with NixOS

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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 \ …

Edit: looks like I only read the title and the first part of your post. try createdb efore using psql.