{ config, pkgs, lib, modulesPath, ... }:

{

  imports = lib.optional (builtins.pathExists ./do-userdata.nix) ./do-userdata.nix ++ [
    (modulesPath + "/virtualisation/digital-ocean-config.nix")
  ];

  swapDevices = [{ device = "/swapfile"; size = 2048; }];

  nix = {
    package = pkgs.nixUnstable;
    extraOptions = ''
      experimental-features = nix-command flakes
    '';
  };

  environment.systemPackages = with pkgs; [
    cryptsetup
  ];

  services.netdata.enable = true;
  services.do-agent.enable = true;
  services = {
    syncthing = {
      enable = true;
      user = "srid";
      dataDir = "/volume";
    };
  };

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.srid = {
    isNormalUser = true;
    extraGroups = [ "wheel" ];
  };

  # 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 = "21.11"; # Did you read the comment?

}