{
  description = "NixOS installation ISO with Lix";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-index-database = {
      url = "github:nix-community/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=latest";
    impermanence = {
      url = "github:nix-community/impermanence";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    lix-module.url = "git+https://git.lix.systems/lix-project/nixos-module?ref=release-2.93";
    lix-module.inputs.nixpkgs.follows = "nixpkgs";
    lanzaboote.url = "github:nix-community/lanzaboote";
    lanzaboote.inputs.nixpkgs.follows = "nixpkgs";
    flox.url = "github:flox/flox";
  };

  outputs =
    inputs@{ self, nixpkgs, ... }:
    let
      lib = nixpkgs.lib;
    in
    {
      nixosModules.nanuqsaurus = import ./modules/profile/nanuqsaurus.nix { inherit inputs; };
      nixosModules.flox = import ./modules/development/flox.nix { inherit inputs; };

      nixosConfigurations = {
        # Live installer ISO (used to bootstrap installs).
        installer = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          specialArgs = { inherit inputs; };
          modules = [ ./hosts/iso.nix ];
        };

        # Fresh-install profile that includes disko partitioning/layout.
        nanuqsaurus-btrfs = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          specialArgs = { inherit inputs; };
          modules = [ ./hosts/nanuqsaurus-btrfs.nix ];
        };
      };

      packages.x86_64-linux.install-iso = self.nixosConfigurations.installer.config.system.build.isoImage;
      packages.x86_64-linux.default = self.packages.x86_64-linux.install-iso;
    };
}