{
  nixConfig = {
    commit-lockfile-summary = "build(flake): update inputs";

    extra-substituters = [
      "https://cache.lix.systems"
    ];

    extra-trusted-public-keys = [
      "cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
    ];
  };

  inputs = {
    nixos-hardware.url = "github:NixOS/nixos-hardware";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
    nur.url = "github:nix-community/NUR";

    agenix = {
      url = "github:ryantm/agenix";
      inputs = {
        home-manager.follows = "home-manager";
        nixpkgs.follows = "nixpkgs";
        systems.follows = "systems";
      };
    };

    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    flake-utils = {
      url = "github:numtide/flake-utils";
      inputs.systems.follows = "systems";
    };

    home-manager = {
      url = "github:nix-community/home-manager/release-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    lix-module = {
      url = "https://git.lix.systems/lix-project/nixos-module/archive/2.90.0.tar.gz";
      inputs = {
        flake-utils.follows = "flake-utils";
        nixpkgs.follows = "nixpkgs";
      };
    };

    nix-index-database = {
      url = "github:Mic92/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    pre-commit-hooks = {
      url = "github:cachix/pre-commit-hooks.nix";
      inputs = {
        nixpkgs.follows = "nixpkgs-unstable";
        nixpkgs-stable.follows = "nixpkgs";
      };
    };

    systems = {
      url = "github:nix-systems/default";
      flake = false;
    };
  };

  outputs = {
    self,
    flake-utils,
    nixpkgs,
    nixpkgs-unstable,
    pre-commit-hooks,
    ...
  } @ args: let
    makeSystem = system: config:
      nixpkgs.lib.nixosSystem {
        inherit system;
        specialArgs = args;
        modules = let
          overlay-unstable = final: prev: {
            unstable = nixpkgs-unstable.legacyPackages.${prev.system};
          };
        in [
          config
          (_: {nixpkgs.overlays = [(import ./overlay args) overlay-unstable];})
        ];
      };
  in
    {
      nixosConfigurations = {
        ami = makeSystem "aarch64-linux" ./hosts/ami;
        alice = makeSystem "x86_64-linux" ./hosts/alice;
      };
    }
    // flake-utils.lib.eachDefaultSystem (system: {
      checks = {
        pre-commit-check = pre-commit-hooks.lib.${system}.run {
          src = ./.;
          hooks = {
            alejandra.enable = true;
            statix = {
              enable = true;
              settings.ignore = ["/.direnv"];
            };
          };
        };
      };

      devShells.default = nixpkgs.legacyPackages.${system}.mkShell {
        inherit (self.checks.${system}.pre-commit-check) shellHook;
        buildInputs = self.checks.${system}.pre-commit-check.enabledPackages;
      };
    });
}