factorio: move hosting to monolith

hosts/monolith/default.nix

@@ -24,6 +24,7 @@ in
     (modulesPath + "/installer/scan/not-detected.nix")
     ./partition.nix
     ./amdgpu.nix
+    ./factorio-server.nix
   ];
   boot.initrd.availableKernelModules = [
     "nvme"

hosts/monolith/factorio-server.nix

@@ -0,0 +1,24 @@
+{ config, pkgs, ... }:
+{
+  services.factorio = {
+    enable = true;
+    package = pkgs.unstable.factorio-headless.overrideAttrs (_: rec {
+      version = "2.0.12";
+      src = pkgs.fetchurl {
+        name = "factorio_headless_x64-${version}.tar.xz";
+        url = "https://www.factorio.com/get-download/${version}/headless/linux64";
+        hash = "sha256-0vgg5eJ6ZEFO0TUixNsByCs8YyPGOArgqnXbT5RIjTE=";
+      };
+    });
+    public = true;
+    lan = true;
+    openFirewall = true;
+    admins = [ "lelgenio" ];
+    extraSettingsFile = config.age.secrets.factorio-settings.path;
+  };
+
+  age.secrets.factorio-settings = {
+    file = ../../secrets/factorio-settings.age;
+    mode = "777";
+  };
+}