{
  perSystem =
    {
      pkgs,
      lib,
      config,
      self',
      ...
    }:
    let
      configPath = ./config;

      devshellImports =
        let
          files = builtins.attrNames (builtins.readDir configPath);
        in
        map (name: configPath + "/${name}") (
          builtins.filter (name: builtins.match ".*\\.nix$" name != null) files
        );
    in
    {
      imports = devshellImports;
    };
}