{ config, pkgs, ... }: { nix.autoOptimiseStore = true; nix.gc = { automatic = true; dates = "10:00"; options = "--delete-older-than 30d"; }; nix.binaryCaches = [ "https://hydra.iohk.io" "https://nixcache.reflex-frp.org" "https://shajra.cachix.org" ]; nix.binaryCachePublicKeys = [ "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" "ryantrinkle.com-1:JJiAKaRv9mWgpVAz8dwewnZe0AzzEAzPkagE9SP5NWI=" "shajra.cachix.org-1:V0x7Wjgd/mHGk2KQwzXv8iydfIgLupbnZKLSQt5hh9o=" ]; }