{
  description = "NixOS definitions for our home servers";

  nixConfig = {
    extra-substituters = [
      "https://attic.kun.is/nixos-servers"
    ];

    extra-trusted-public-keys = [
      "nixos-servers:JThtPjQjDu3b3qXLgeXSJGgKL4OKQ4uLgTtoo1rg6Vw="
    ];
  };

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    deploy-rs.url = "github:serokell/deploy-rs";
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
    flake-utils.url = "github:numtide/flake-utils";
    treefmt-nix.url = "github:numtide/treefmt-nix";

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

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

    dns = {
      url = "github:kirelagin/dns.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

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

    nix-snapshotter = {
      url = "github:pdtpartners/nix-snapshotter";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    nixng = {
      url = "github:pizzapim/NixNG/dnsmasq";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    kubenix = {
      url = "github:pizzapim/kubenix";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
  };

  outputs = inputs @ {
    nixpkgs,
    flake-utils,
    ...
  }:
    flake-utils.lib.meld inputs [
      ./scripts
      ./deploy.nix
      ./nixos.nix
      ./shell.nix
      ./utils
      ./machines
      ./formatter.nix
    ];
}