nix-configs/hosts/flake.nix

{
  description = "VM";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/release-23.11";
    disko = {
       url = github:nix-community/disko;
       inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, disko, ... }@inputs: {
    nixosConfigurations = {
      "vm" = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          # Import the configuration.nix we used before, so that the old configuration file can still take effect. 
          # Note: /etc/nixos/configuration.nix itself is also a Nix Module, so you can import it directly here
#          ./configuration.nix
           disko.nixosModules.disko
           ./disko-config.nix
           {
              _module.args.disks = [ "/dev/vda" ];
           }
          ./hardware-configuration.nix

          ({config, pkgs, ...}: {
            nix = {
              settings.auto-optimise-store = true;
              settings.experimental-features = [ "nix-command" "flakes" ];
           
              gc = {
                automatic = true;
                dates = "weekly";
                options = "--delete-older-than 30d";
              };

            };

            boot = {
              kernelPackages = pkgs.linuxPackages_latest;

              loader = {
                systemd-boot.enable = true;
                systemd-boot.consoleMode = "0";
              };

            };
             
            networking = {
              hostName = "vm";
              networkmanager.enable = true;
            };

            users.users.aaronh = {
              isNormalUser = true;
              extraGroups = [ "wheel" "networkmanager" ]; # Enable ‘sudo’ for the user.
              packages = with pkgs; [
                cargo
                git
                git-lfs
              ];
            };

            environment.systemPackages = with pkgs; [
              git
              git-lfs
              neofetch
              tree
              wget
            ];
        
            services.openssh = {
              enable = true;
              settings.PermitRootLogin = "no";
            };

            system = {
              stateVersion = "23.11";
              autoUpgrade.enable = true;
            };
          })
        ];
      };
    };
  };
}