Add Factorio Server

bert/configuration.nix

@@ -4,6 +4,7 @@
   imports =
     [
       ./hardware-configuration.nix
+      ./services/factorio.nix
       ./services/http/index.nix
       ./services/monitoring.nix
     ];

bert/services/factorio.nix

@@ -0,0 +1,17 @@
+{
+  # nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+  #   "factorio-headless"
+  # ];
+  services.factorio = let
+    factorio-nixpkgs = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/7e35ac30ea1d236419653182559367ecd8a30675.tar.gz") {
+      config.allowUnfree = true;
+    };
+  in {
+    enable = true;
+    package = factorio-nixpkgs.factorio-headless;
+    openFirewall = true;
+    nonBlockingSaving = true;
+    game-name = "Chandler's Factorio Server";
+    description = "Job 28:2";
+  };
+}