nix_multiuser/configuration.nix

{ config, pkgs, ... }:
{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ./users.nix
    ];

  # Use the systemd-boot EFI boot loader.
  boot.loader.grub = {
    enable = true;
    version = 2;
    device = "/dev/vda";
  };
  networking.hostName = "nixbox"; # Define your hostname.

  # Set your time zone.
  time.timeZone = "US/Eastern";

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";
  console = {
    font = "Lat2-Terminus16";
    keyMap = "us";
  };

  nix = {
    package = pkgs.nixFlakes; # or versioned attributes like nix_2_7
    extraOptions = ''
      experimental-features = nix-command flakes
    '';
  };

  environment.systemPackages = with pkgs; [
    vim nano
    wget curl
    neofetch
    screen tmux fff
    bash dash git
    docker-compose
    nodejs
  ];

  virtualisation.docker.enable = true;

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  networking.firewall.enable = false;

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  system.copySystemConfiguration = true;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "22.05"; # Did you read the comment?
}