{
  username ? throw "username argument is required",
}:
{
  config,
  inputs,
  pkgs,
  ...
}:
let
  hmConfig = config.home-manager.users.${username};
in
{
  virtualisation.docker.rootless = {
    enable = true;
    setSocketVariable = true;
    enableOnBoot = false;
    storageDriver = "btrfs";

    daemon.settings = {
      experimental = true;
      ipv6 = true;
      fixed-cidr-v6 = "fd00::/80";
    };

    autoPrune = {
      enable = true;
      flags = [ "--all" ];
    };
  };

  environment.persistence."/persist".users.${username}.directories = [
    "${hmConfig.xdg.relativeDataHome}/docker"
  ];

  home-manager.users.${username}.home.packages = with pkgs; [ docker-compose ];
}