{
  description = "All system configurations for Vili Sinervä";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
    nixvim = {
      url = "github:nix-community/nixvim";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs =
    { nixpkgs, nixvim, ... }:
    {
      nixosConfigurations = (
        let
          hosts = builtins.attrNames (builtins.readDir ./hosts);
        in
        builtins.listToAttrs (
          map (
            host:
            nixpkgs.lib.nameValuePair host (
              nixpkgs.lib.nixosSystem {
                specialArgs = {
                  nixpkgs-flake = nixpkgs;
                  inherit nixvim;
                };
                system = "x86_64-linux";
                modules = [
                  { networking.hostName = host; }
                  ./hosts/${host}/configuration.nix
                  ./hosts/${host}/state.nix
                ];
              }
            )
          ) hosts
        )
      );
    };
}