{
  inputs = {
    nixpkgs.url = "nixpkgs/nixos-23.11";
    nixpkgs-unstable.url = "nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    home-manager = {
      url = "github:nix-community/home-manager/release-23.11";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs @ {
    self,
    nixpkgs,
    nixpkgs-unstable,
    home-manager,
    ...
  }: let
    inherit (self) outputs;
    lib = nixpkgs.lib // home-manager.lib;
    mkHost = {
      hostname,
      user ? "sammy",
    }: {
      imports = [
        ./hosts/${hostname}/configuration.nix
        ./modules/common.nix
        (import "${home-manager}/nixos")
      ];

      deployment = {
        targetUser = user;
        allowLocalDeployment = true;
      };
    };
  in {
    inherit lib;
    formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.alejandra;
    colmena = {
      meta = {
        description = "All my NixoS machines";
        specialArgs = {inherit inputs outputs;};
        nixpkgs = import nixpkgs {
          system = "x86_64-linux";
          overlays = [];
        };
      };

      bengal = mkHost {hostname = "bengal";};

      maine-coon = mkHost {hostname = "maine-coon";};
    };
    nixosConfigurations.test = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      specialArgs = {
        flake = self;
      };
      modules = [
        ./modules
        ./hosts/test-vm/configuration.nix
        (import "${home-manager}/nixos")
      ];
    };
  };
}