nix-config-v2/modules/virtualization/podman.nix

{
  config,
  lib,
  pkgs,
  ...
}: let
  cfg = config.containers;
in {
  options.containers = {
    podman = {
      enable = lib.mkEnableOption "Podman container runtime";
      dockerCompat = lib.mkEnableOption "Enable Docker compatibility";
      extraPackages = lib.mkOption {
        type = lib.types.listOf lib.types.package;
        default = [];
        description = "Additional packages to install when Podman is enabled";
      };
    };
  };

  config = lib.mkIf cfg.enable (lib.attrsets.optionalAttrs (config.nixpkgs.hostPlatform.isLinux) {
      virtualisation.podman = {
        enable = true;
        dockerCompat = cfg.dockerCompat;
        enableOnBoot = true;
        defaultNetwork.settings.dns_enabled = true;
      };
    }
    // {
      environment.systemPackages =
        [
          pkgs.podman-compose
          pkgs.buildah
          pkgs.skopeo
          pkgs.dive
          pkgs.container-diff
        ]
        ++ cfg.extraPackages;
    });
}