nixos/modules/common/utilities/docker.nix

{ config, pkgs, lib, ... }:
{
  options = {
    docker = {
      enable = lib.mkEnableOption {
        description = "Enable docker";
        default = false;
      };
    };
  };
  config = lib.mkIf (config.docker.enable) {
    home-manager.users.${config.user} = {
      home.packages = [
        pkgs.docker
      ];
    };
    virtualisation.docker.enable = true;
  };
}