{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
  };

  outputs = { self, nixpkgs, ... }:
    let
      system = "x86_64-linux";
    in
    {
      nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
        modules = [
          { nix.settings.experimental-features = ["nix-command" "flakes"]; }
          ./configuration.nix
        ];
      };

      nixosConfigurations.nixosvm = nixpkgs.lib.nixosSystem {
        inherit system;
        modules = [
          {
            nix.settings.experimental-features = ["nix-command" "flakes"];
            virtualisation.vmVariant = {
              virtualisation = {
                memorySize = 8192;
                cores = 8;
              };
            };
          }
          ./configuration.nix
        ];
      };
    };
}