{ inputs, ... }:
{
  perSystem =
    {
      system,
      ...
    }:
    let
      overlay = inputs.self.overlays.default;

      # Apply the overlay to nixpkgs
      customPkgs = import inputs.nixpkgs {
        inherit system;
        overlays = [ overlay ];
      };

      # Automatically extract only the packages added by the overlay
      # You could also list them manually
      generatedPackages = builtins.intersectAttrs (overlay customPkgs customPkgs) customPkgs;
    in
    {
      packages = generatedPackages;
    };
}