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

  outputs = { nixpkgs, disko, ... }:
    {
      nixosConfigurations.sortug = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          disko.nixosModules.disko
          ./sortug/configuration.nix
          ./packages.nix
          ./users.nix
        ];
      };
      nixosConfigurations.osortug = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          disko.nixosModules.disko
          ./oldsortug/configuration.nix
          ./packages.nix
          ./users.nix
        ];
      };
      nixosConfigurations.jeet = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          disko.nixosModules.disko
          ./jeet/configuration.nix
          # ./packages.nix
          ./users.nix
        ];
      };
      nixosConfigurations.bkk = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          disko.nixosModules.disko
          ./bkk/configuration.nix
          ./packages.nix
          ./users.nix
        ];
      };
      nixosConfigurations.sing = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          disko.nixosModules.disko
          ./sing/configuration.nix
          ./packages.nix
          ./users.nix
          ./sing/omail.nix
          ./sing/nginx.nix
          ./sing/jellyfin.nix
        ];
      };
      nixosConfigurations.spanmail= nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          ./spanm/configuration.nix
          ./spanm/users.nix
          ./spanm/mail.nix
          ./spanm/packages.nix
          ./spanm/nginx.nix
        ];
      };
    };
}