{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    agenix = {
      url = "github:ryantm/agenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    flake-utils = {
      url = "github:numtide/flake-utils";
    };
    nixos-generators = {
      url = "github:nix-community/nixos-generators";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { flake-utils,nixpkgs, nixos-generators, agenix, ... }: {
    packages.x86_64-linux = {
      create-vm = let
        pkgs = import nixpkgs { system = "x86_64-linux"; };
        script-name = "create-vm";
        src = builtins.readFile ./nixos/proxmox/create-vm.sh;
        script = (pkgs.writeScriptBin script-name src).overrideAttrs(old: {
          buildCommand = "${old.buildCommand}\n patchShebangs $out";
        });
        buildInputs = with pkgs; [ gum jq ];
      in pkgs.symlinkJoin {
          name = script-name;
          paths = [ script ] ++ buildInputs;
          nativeBuildInputs = with pkgs; [makeWrapper];
          postBuild = "wrapProgram $out/bin/${script-name} --prefix PATH : $out/bin";
        };
      generate-iso = nixos-generators.nixosGenerate {
        format = "iso";
        system = "x86_64-linux";
        modules = [
          ./nixos/proxmox/iso.nix # base configuration of the image
        ];
      };
    };

  } // flake-utils.lib.eachDefaultSystem (system:
      let pkgs = import nixpkgs {
        inherit system;
      }; in
        {
        devShells = {
          default = pkgs.mkShell {
            buildInputs = [
              pkgs.nix
              pkgs.colmena
              pkgs.shellcheck
              agenix.packages.${system}.default
              pkgs.kubernetes-helm
              pkgs.helmfile
              pkgs.fluxcd
              pkgs.kustomize
              pkgs.kubectl
            ];
          };
        };
      });
}