restructured modules, toggling them, overlays

modules/services/example.nix

@@ -0,0 +1,47 @@
+{ config, pkgs, lib, ... }:
+with lib; {
+  users.users.satisfactory = {
+    home = "/var/lib/satisfactory";
+    createHome = true;
+    isSystemUser = true;
+    group = "satisfactory";
+  };
+  users.groups.satisfactory = { };
+
+  # boot.kernel.sysctl."net.ipv6.conf.eth0.disable_ipv6" = true;
+  networking.enableIPv6 = false;
+
+  # nixpkgs.config.allowUnfree = true;
+  #
+  networking = {
+    firewall = {
+      allowedUDPPorts = [ 15777 15000 7777 27015 ];
+      allowedUDPPortRanges = [{
+        from = 27031;
+        to = 27036;
+      }];
+      allowedTCPPorts = [ 27015 27036 ];
+    };
+  };
+
+  # -beta experimental \
+  systemd.services.satisfactory = {
+    preStart = ''
+      ${pkgs.steamcmd}/bin/steamcmd \
+        +force_install_dir /var/lib/satisfactory/SatisfactoryServer \
+        +login anonymous \
+        +app_update 1690800 \
+        validate \
+        +quit
+    '';
+    script = ''
+      ${pkgs.steam-run}/bin/steam-run /var/lib/satisfactory/SatisfactoryServer/FactoryServer.sh -DisablePacketRouting
+    '';
+    serviceConfig = {
+      Nice = "-5";
+      Restart = "always";
+      User = "satisfactory";
+      WorkingDirectory = "/var/lib/satisfactory";
+    };
+  };
+}