{
  description = "Selfprivacy NixOS configuration flake";

  inputs = {
    #nixpkgs.url = "https://github.com/NixOS/nixpkgs/archive/eef86b8a942913a828b9ef13722835f359deef29.tar.gz";
    nixpkgs.url = "github:nixos/nixpkgs";
    selfprivacy-overlay.url =
      "git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nix-repo.git";
    userdata-json.url = "path:./userdata.json";
    userdata-json.flake = false;
  };

  outputs = { self, nixpkgs, selfprivacy-overlay, userdata-json }:
    let
      system = "x86_64-linux";
      userdata = builtins.fromJSON (builtins.readFile userdata-json);
    in
    {
      nixosConfigurations = {
        just-nixos = nixpkgs.lib.nixosSystem {
          specialArgs = { inherit system selfprivacy-overlay userdata; };

          modules = [ ./configuration.nix ];
        };
      };
    };
}