enabled steam

configuration.nix

@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ./nix-alien.nix
     ];
 
   # Bootloader.
@@ -101,6 +102,14 @@
   # Install firefox.
   programs.firefox.enable = true;
 
+  programs.nix-ld.enable = true;
+
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+  };
+
   # Allow unfree packages
   nixpkgs.config.allowUnfree = true;
 
@@ -150,4 +159,12 @@
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
   system.stateVersion = "23.11"; # Did you read the comment?
 
+  virtualisation.docker = {
+    enable = true;
+    rootless = {
+      enable = true;
+      setSocketVariable = true;
+    };
+  };
+
 }

nix-alien.nix

@@ -0,0 +1,15 @@
+{ ... }:
+
+let
+  nix-alien-pkgs = import (
+    builtins.fetchTarball "https://github.com/thiagokokada/nix-alien/tarball/master"
+  ) { };
+in
+{
+  environment.systemPackages = with nix-alien-pkgs; [
+    nix-alien
+  ];
+
+  # Optional, but this is needed for `nix-alien-ld` command
+  programs.nix-ld.enable = true;
+}