{
  inputs,
  mkPkgs,
  attrs,
  ...
}:
let
  system = "x86_64-linux";
  pkgs = mkPkgs system;
  defaultModules = [
    ./configuration.nix
    inputs.sops-nix.nixosModules.sops
    inputs.nix-index-database.nixosModules.nix-index
    # inputs.determinate.nixosModules.default # https://github.com/serokell/deploy-rs/issues/340
  ]
  ++ builtins.attrValues (
    builtins.mapAttrs (name: _: ./modules/${name}) (builtins.readDir ./modules)
  );
in
{
  t14 = inputs.nixpkgs.lib.nixosSystem {
    inherit pkgs;
    specialArgs = {
      inherit inputs system attrs;
      host = {
        hostName = "t14";
        inherit (attrs) username;
      };
    };
    modules = defaultModules ++ [
      ./t14/configuration.nix
      inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t14-amd-gen1
    ];
  };
  consensus = inputs.nixpkgs-stable.lib.nixosSystem {
    pkgs = pkgs.nixos-stable;
    specialArgs = {
      pkgs-unstable = mkPkgs system;
      inherit inputs system attrs;
      host = {
        hostName = "consensus";
        inherit (attrs) username;
      };
    };
    modules = defaultModules ++ [
      ./consensus/configuration.nix
    ];
  };
  zen = inputs.nixpkgs-stable.lib.nixosSystem {
    pkgs = pkgs.nixos-stable;
    specialArgs = {
      inherit inputs system attrs;
      host = {
        hostName = "zen";
        inherit (attrs) username;
      };
    };
    modules = defaultModules ++ [
      ./zen/configuration.nix
    ];
  };
  oracle1 = inputs.nixpkgs-stable.lib.nixosSystem {
    pkgs = pkgs.nixos-stable;
    specialArgs = {
      inherit inputs system attrs;
      host = {
        hostName = "oracle1";
        inherit (attrs) username;
      };
    };
    modules = defaultModules ++ [
      ./oracle/configuration.nix
    ];
  };
}