diff --git a/flake.nix b/flake.nix
index eb78af3..6f08a88 100644
--- a/flake.nix
+++ b/flake.nix
@@ -73,7 +73,7 @@
     };
   };
 
-  outputs = inputs: let
+  outputs = inputs @ { self, ... }: let
     inherit (inputs.nixpkgs) lib;
     inherit (import ./lib/system.nix inputs) mkSystem;
     eachSystem = lib.genAttrs ["aarch64-darwin" "aarch64-linux" "x86_64-darwin" "x86_64-linux"];
@@ -82,6 +82,7 @@
       inputs.nvim-plugins.overlays.default
       inputs.android-sdk.overlays.default
       inputs.language-servers.overlays.default
+      self.overlays.default
     ];
   in {
     darwinConfigurations."sprite" = mkSystem {
@@ -114,10 +115,23 @@
       hostname = "ramune";
     };
 
-    packages = eachSystem (system: {
+    overlays = {
+      default = import ./lib/pkgs;
+    };
+
+    packages = eachSystem (system: let
+      pkgs = import inputs.nixpkgs {
+        inherit system;
+        overlays = [ self.overlays.default ];
+      };
+    in {
       inherit (inputs.agenix.packages.${system}) agenix;
       inherit (inputs.darwin.packages.${system}) darwin-rebuild;
-    } // (import ./lib/pkgs inputs.nixpkgs.legacyPackages.${system}));
+    } // {
+      inherit (pkgs)
+        steamworks-sdk-redist
+        systemd-transparent-udp-forwarderd;
+    });
 
     apps = eachSystem (system: import ./lib/apps {
       inherit lib;
diff --git a/lib/pkgs/default.nix b/lib/pkgs/default.nix
index b4d64fb..2403e2e 100644
--- a/lib/pkgs/default.nix
+++ b/lib/pkgs/default.nix
@@ -1,3 +1,8 @@
-pkgs: {
-  yeetmouse = import ./yeetmouse.nix pkgs;
+self: super: {
+  fetchSteam = import ./fetch-steam.nix self super;
+  mkSteamPackage = import ./mk-steam-package.nix self super;
+  mkSteamWrapper = import ./mk-steam-wrapper.nix self super;
+  systemd-transparent-udp-forwarderd = import ./systemd-transparent-udp-forwarderd.nix self super;
+  steamworks-sdk-redist = import ./steamworks-sdk-redist.nix self super;
+  palworld-server = import ./palworld-server.nix self super;
 }
diff --git a/modules/games/lib/fetchSteam.nix b/lib/pkgs/fetch-steam.nix
similarity index 81%
rename from modules/games/lib/fetchSteam.nix
rename to lib/pkgs/fetch-steam.nix
index add5df1..a1a2f89 100644
--- a/modules/games/lib/fetchSteam.nix
+++ b/lib/pkgs/fetch-steam.nix
@@ -1,6 +1,13 @@
-{ lib, pkgs, ... }:
-
-with lib; makeOverridable (
+self: pkgs @ {
+  lib,
+  runCommand,
+  depotdownloader,
+  cacert,
+  ...
+}:
+
+with lib;
+makeOverridable (
   {
     name ? "steamapp-${appId}-${depotId}-${manifestId}",
     appId,
@@ -31,7 +38,7 @@ with lib; makeOverridable (
       ++ optionals debug [ "-debug" ];
 
     drvArgs = {
-      depsBuildBuild = [ pkgs.depotdownloader ];
+      depsBuildBuild = [ depotdownloader ];
 
       strictDeps = true;
 
@@ -39,14 +46,14 @@ with lib; makeOverridable (
       outputHashMode = "recursive";
       outputHash = if hash != "" then hash else fakeHash;
 
-      env.SSL_CERT_FILE = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
+      env.SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
 
       pos = builtins.unsafeGetAttrPos "manifestId" args;
 
       inherit passthru;
     } // optionalAttrs (args ? meta) { inherit meta; };
   in
-  pkgs.runCommand name drvArgs ''
+  runCommand name drvArgs ''
     HOME=$PWD DepotDownloader -dir "$out" ${escapeShellArgs downloadArgs}
     rm -r "$out"/.DepotDownloader
   ''
diff --git a/lib/pkgs/mk-steam-package.nix b/lib/pkgs/mk-steam-package.nix
new file mode 100644
index 0000000..00e6b45
--- /dev/null
+++ b/lib/pkgs/mk-steam-package.nix
@@ -0,0 +1,56 @@
+self: pkgs @ {
+  lib,
+  stdenv,
+  autoPatchelfHook,
+  ...
+}:
+
+with lib;
+let
+  inherit (stdenv.hostPlatform) isAarch64;
+in
+{
+  name,
+  hash ? "",
+  version,
+  appId,
+  depotId,
+  manifestId,
+  ...
+} @ args: let
+  derivationArgs = builtins.removeAttrs args [ "name" "appId" "depotId" "manifestId" "hash" ];
+in
+stdenv.mkDerivation (rec {
+  pname = name;
+  src = self.fetchSteam {
+    inherit name appId depotId manifestId hash;
+  };
+
+  dontBuild = true;
+  dontConfigure = true;
+  dontFixup = isAarch64;
+
+  nativeBuildInputs = optionals (!isAarch64) [ autoPatchelfHook ];
+  appendRunpaths = with self; makeLibraryPath [
+    steamworks-sdk-redist
+    glibc
+    libxcrypt
+    libGL
+    libdrm
+    mesa  # for libgbm
+    udev
+    libudev0-shim
+    libva
+    vulkan-loader
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    mv ./* $out
+    chmod 755 -R $out
+
+    runHook postInstall
+  '';
+} // derivationArgs)
diff --git a/lib/pkgs/mk-steam-wrapper.nix b/lib/pkgs/mk-steam-wrapper.nix
new file mode 100644
index 0000000..5710d73
--- /dev/null
+++ b/lib/pkgs/mk-steam-wrapper.nix
@@ -0,0 +1,74 @@
+self: pkgs @ {
+  lib,
+  box64,
+  makeWrapper,
+  pkgsCross,
+  stdenv,
+  ...
+}:
+
+with lib;
+let
+  useBox64 = stdenv.hostPlatform.isAarch64;
+
+  defaultLibs = with self; [
+    steamworks-sdk-redist
+    glibc
+    libxcrypt
+    libGL
+    libdrm
+    mesa  # for libgbm
+    udev
+    libudev0-shim
+    libva
+    vulkan-loader
+  ];
+
+  defaultNativeLibs = optionals useBox64 [ pkgsCross.gnu64.libgcc ];
+
+  mkSteamWrapper = makeOverridable (
+    {
+      logLevel ? 0,
+      env ? {},
+      libs ? defaultLibs,
+      nativeLibs ? defaultNativeLibs,
+      extraWrapperArgs ? [],
+    }: let
+      runpaths = libs ++ optionals useBox64 nativeLibs;
+      combinedEnv = optionalAttrs useBox64 {
+        BOX64_LOG = logLevel;
+        BOX64_DYNAREC_STRONGMEM = 1;
+        BOX64_DYNAREC_BIGBLOCK = 1;
+        BOX64_DYNAREC_SAFEFLAGS = 1;
+        BOX64_DYNAREC_FASTROUND = 1;
+        BOX64_DYNAREC_FASTNAN = 1;
+        BOX64_DYNAREC_X87DOUBLE = 0;
+      } // env;
+    in bin:
+      stdenv.mkDerivation rec {
+        name = "box64-wrapper";
+        meta.mainProgram = name;
+
+        dontUnpack = true;
+        dontConfigure = true;
+        dontBuild = true;
+
+        nativeBuildInputs = [ makeWrapper ];
+        buildInputs = runpaths;
+
+        installPhase = let
+          outBin = if useBox64 then "${box64}/bin/box64" else bin;
+          targetBinFlag = if useBox64 then "--add-flags ${escapeShellArg bin}" else "";
+        in ''
+          runHook preInstall
+          makeWrapper "${outBin}" "$out/bin/${name}" \
+            ${concatStrings (mapAttrsToList (name: value: "--set ${name} '${toString value}' ") combinedEnv)} \
+            --prefix LD_LIBRARY_PATH : ${makeLibraryPath runpaths} \
+            ${targetBinFlag} \
+            ${lib.strings.concatStringsSep " " extraWrapperArgs}
+          runHook postInstall
+        '';
+      }
+  );
+in
+  mkSteamWrapper { }
diff --git a/lib/pkgs/palworld-server.nix b/lib/pkgs/palworld-server.nix
new file mode 100644
index 0000000..13e7757
--- /dev/null
+++ b/lib/pkgs/palworld-server.nix
@@ -0,0 +1,20 @@
+self: {
+  lib,
+  ...
+}:
+
+with lib;
+self.mkSteamPackage {
+  name = "palworld-server";
+  version = "17082920";
+  appId = "2394010";
+  depotId = "2394012";
+  manifestId = "2423583208459052375";
+  hash = "sha256-gAFEDf/rKPQ5zTH8EJ93e4KKHUGi8uiYlPS7G2lWGWk=";
+  meta = {
+    description = "Palworld Dedicated Server";
+    homepage = "https://steamdb.info/app/2394010/";
+    changelog = "https://store.steampowered.com/news/app/1623730?updates=true";
+    sourceProvenance = with sourceTypes; [ sourceTypes.binaryNativeCode ];
+  };
+}
diff --git a/lib/pkgs/steamworks-sdk-redist.nix b/lib/pkgs/steamworks-sdk-redist.nix
new file mode 100644
index 0000000..88c2786
--- /dev/null
+++ b/lib/pkgs/steamworks-sdk-redist.nix
@@ -0,0 +1,42 @@
+self: pkgs @ {
+  lib,
+  stdenv,
+  ...
+}:
+
+with lib;
+stdenv.mkDerivation {
+  pname = "steamworks-sdk-redist";
+  version = "unstable-2024-05-30";
+
+  # Steamworks SDK Redist with steamclient.so.
+  # https://steamdb.info/app/1007/depots
+  src = self.fetchSteam {
+    appId = "1007";
+    depotId = "1006";
+    manifestId = "7138471031118904166";
+    hash = "sha256-OtPI1kAx6+9G09IEr2kYchyvxlPl3rzx/ai/xEVG4oM=";
+  };
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/lib
+    cp linux64/steamclient.so $out/lib
+    chmod +x $out/lib/steamclient.so
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Steamworks SDK Redist";
+    sourceProvenance = [ sourceTypes.binaryNativeCode ];
+    license = licenses.unfree;
+    badPlatforms = [
+      { hasSharedLibraries = false; }
+    ];
+  };
+}
diff --git a/lib/pkgs/systemd-transparent-udp-forwarderd.nix b/lib/pkgs/systemd-transparent-udp-forwarderd.nix
new file mode 100644
index 0000000..95a0b56
--- /dev/null
+++ b/lib/pkgs/systemd-transparent-udp-forwarderd.nix
@@ -0,0 +1,27 @@
+pkgs @ {
+  stdenv,
+  cmake,
+  pkg-config,
+  fetchFromGitHub,
+  systemdLibs,
+  ...
+}:
+
+stdenv.mkDerivation {
+  pname = "systemd-transparent-udp-forwarderd";
+  version = "0.0.1-add-activity-timeout-shutdown";
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ systemdLibs ];
+  src = fetchFromGitHub {
+    owner = "cecton";
+    repo = "systemd-transparent-udp-forwarderd";
+    rev = "69072ef1271f013cefa91c239455d197f68d3f8e";
+    sha256 = "sha256-c4pui1aHw35Jw1pjCBgLQTHrjt5nYI2IUD4FqkyEd/M=";
+  };
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm755 systemd-transparent-udp-forwarderd "$out/bin/$pname"
+    runHook postInstall
+  '';
+}
diff --git a/lib/pkgs/yeetmouse.nix b/lib/pkgs/yeetmouse.nix
deleted file mode 100644
index 5eea3e0..0000000
--- a/lib/pkgs/yeetmouse.nix
+++ /dev/null
@@ -1,65 +0,0 @@
-pkgs @ {
-  lib,
-  bash,
-  stdenv,
-  coreutils,
-  fetchFromGitHub,
-  kernel ? pkgs.linuxPackages_latest.kernel,
-  ...
-}:
-
-stdenv.mkDerivation rec {
-  pname = "yeetmouse";
-  version = "ed39ee0457d330c751b689fe6e410acae8c40d4f";
-
-  src = fetchFromGitHub {
-    owner = "andyfilter";
-    repo = "yeetmouse";
-    rev = version;
-    sha256 = "sha256-8cr4WYX09ej81tRJOfEytnPGj51voDQA9tEH91ukC+s=";
-  };
-
-  setSourceRoot = "export sourceRoot=$(pwd)/source";
-  nativeBuildInputs = kernel.moduleBuildDependencies ++ [ pkgs.makeWrapper ];
-  buildInputs = [ pkgs.glfw3 ];
-
-  makeFlags = kernel.makeFlags ++ [
-    "-C"
-    "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
-    "M=$(sourceRoot)/driver"
-  ];
-
-  postUnpack = ''
-    cp -r $src/gui $sourceRoot/gui
-    chmod 755 -R $sourceRoot/gui
-    substituteInPlace $sourceRoot/driver/util.c \
-      --replace "#define NUM_USAGES 32" "#define NUM_USAGES 90"
-  '';
-
-  preBuild = ''
-    cp $sourceRoot/driver/config.sample.h $sourceRoot/driver/config.h
-  '';
-
-  LD_LIBRARY_PATH = "/run/opengl-driver/lib:${lib.makeLibraryPath buildInputs}";
-
-  postBuild = ''
-    make "-j$NIX_BUILD_CORES" -C $sourceRoot/gui "M=$sourceRoot/gui" "LIBS=-lglfw -lGL"
-  '';
-
-  postInstall = ''
-    install -Dm755 $sourceRoot/gui/YeetMouseGui $out/bin/yeetmouse
-    install -D $src/install_files/udev/99-leetmouse.rules $out/lib/udev/rules.d/98-leetmouse.rules
-    install -Dm755 $src/install_files/udev/leetmouse_bind $out/lib/udev/rules.d/leetmouse_bind
-    substituteInPlace $out/lib/udev/rules.d/98-leetmouse.rules \
-      --replace "PATH='/sbin:/bin:/usr/sbin:/usr/bin'" ""
-    patchShebangs $out/lib/udev/rules.d/leetmouse_bind
-    wrapProgram $out/lib/udev/rules.d/leetmouse_bind \
-      --prefix PATH : ${lib.makeBinPath [ bash coreutils ]}
-    substituteInPlace $out/lib/udev/rules.d/98-leetmouse.rules \
-      --replace "leetmouse_bind" "$out/lib/udev/rules.d/leetmouse_bind"
-  '';
-
-  buildFlags = [ "modules" ];
-  installFlags = [ "INSTALL_MOD_PATH=${placeholder "out"}" ];
-  installTargets = [ "modules_install" ];
-}
diff --git a/modules/games/lib/mkSteamPackage.nix b/modules/games/lib/mkSteamPackage.nix
deleted file mode 100644
index 04666eb..0000000
--- a/modules/games/lib/mkSteamPackage.nix
+++ /dev/null
@@ -1,54 +0,0 @@
-{ lib, helpers, pkgs, ... } @ inputs:
-
-with lib;
-let
-  fetchSteam = (import ./fetchSteam.nix) inputs;
-  inherit ((import ./steamworks.nix) inputs) steamworks-sdk-redist;
-in
-{
-  name,
-  hash ? "",
-  version,
-  appId,
-  depotId,
-  manifestId,
-  ...
-} @ args: let
-  mkDerivationArgs = builtins.removeAttrs args [ "name" "appId" "depotId" "manifestId" "hash" ];
-in pkgs.stdenv.mkDerivation (rec {
-    pname = name;
-    src = fetchSteam {
-      inherit name appId depotId manifestId hash;
-    };
-
-    dontBuild = true;
-    dontConfigure = true;
-    dontFixup = helpers.system == "aarch64-linux";
-
-    appendRunpaths = with pkgs; makeLibraryPath [
-      steamworks-sdk-redist
-      glibc
-      libxcrypt
-      libGL
-      libdrm
-      mesa  # for libgbm
-      udev
-      libudev0-shim
-      libva
-      vulkan-loader
-    ];
-
-    nativeBuildInputs = optionals (helpers.system == "aarch64-linux") [
-      pkgs.autoPatchelfHook
-    ];
-
-    installPhase = ''
-      runHook preInstall
-
-      mkdir -p $out
-      mv ./* $out
-      chmod 755 -R $out
-
-      runHook postInstall
-    '';
-  } // mkDerivationArgs)
diff --git a/modules/games/lib/mkWrappedBox64.nix b/modules/games/lib/mkWrappedBox64.nix
deleted file mode 100644
index baedf2e..0000000
--- a/modules/games/lib/mkWrappedBox64.nix
+++ /dev/null
@@ -1,65 +0,0 @@
-{ lib, helpers, pkgs, ... } @ inputs:
-
-with lib;
-let
-  inherit ((import ./steamworks.nix) inputs) steamworks-sdk-redist;
-
-  defaultLibs = with pkgs; [
-    steamworks-sdk-redist
-    glibc
-    libxcrypt
-    libGL
-    libdrm
-    mesa  # for libgbm
-    udev
-    libudev0-shim
-    libva
-    vulkan-loader
-  ];
-
-  defaultNativeLibs = [ pkgs.pkgsCross.gnu64.libgcc ];
-
-  makeWrappedBox64 = {
-    logLevel ? 0,
-    env ? {},
-    libs ? defaultLibs,
-    nativeLibs ? defaultNativeLibs,
-    extraWrapperArgs ? [],
-  }: let
-    box64Bin = "${pkgs.box64}/bin/box64";
-    runpaths = libs ++ nativeLibs;
-    combinedEnv = {
-      BOX64_DYNAREC_STRONGMEM = 1;
-      BOX64_DYNAREC_BIGBLOCK = 1;
-      BOX64_DYNAREC_SAFEFLAGS = 1;
-      BOX64_DYNAREC_FASTROUND = 1;
-      BOX64_DYNAREC_FASTNAN = 1;
-      BOX64_DYNAREC_X87DOUBLE = 0;
-    } // env;
-  in bin:
-    pkgs.stdenv.mkDerivation rec {
-      name = "box64-wrapped";
-
-      dontUnpack = true;
-      dontConfigure = true;
-      dontBuild = true;
-
-      nativeBuildInputs = [ pkgs.makeWrapper ];
-      buildInputs = runpaths ++ libs;
-
-      installPhase = ''
-        runHook preInstall
-        makeWrapper "${box64Bin}" "$out/bin/box64" \
-          ${concatStrings (mapAttrsToList (name: value: "--set ${name} '${toString value}' ") env)} \
-          --set BOX64_LOG "${toString logLevel}" \
-          --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath buildInputs} \
-          ${lib.strings.concatStringsSep " " extraWrapperArgs} \
-          --add-flags "$bin"
-        runHook postInstall
-      '';
-    };
-
-  box64 = makeWrappedBox64 { };
-  identity = bin: bin;
-in
-  if helpers.system == "aarch64-linux" then box64 else identity
diff --git a/modules/games/lib/serverScripts.nix b/modules/games/lib/scripts.nix
similarity index 100%
rename from modules/games/lib/serverScripts.nix
rename to modules/games/lib/scripts.nix
diff --git a/modules/games/lib/steamworks.nix b/modules/games/lib/steamworks.nix
deleted file mode 100644
index 85fc861..0000000
--- a/modules/games/lib/steamworks.nix
+++ /dev/null
@@ -1,42 +0,0 @@
-{ lib, pkgs, ... } @ inputs:
-
-with lib;
-let
-  fetchSteam = (import ./fetchSteam.nix) inputs;
-in {
-  steamworks-sdk-redist = pkgs.stdenv.mkDerivation {
-    pname = "steamworks-sdk-redist";
-    version = "unstable-2024-05-30";
-
-    # Steamworks SDK Redist with steamclient.so.
-    # https://steamdb.info/app/1007/depots
-    src = fetchSteam {
-      appId = "1007";
-      depotId = "1006";
-      manifestId = "7138471031118904166";
-      hash = "sha256-OtPI1kAx6+9G09IEr2kYchyvxlPl3rzx/ai/xEVG4oM=";
-    };
-
-    dontConfigure = true;
-    dontBuild = true;
-
-    installPhase = ''
-      runHook preInstall
-
-      mkdir -p $out/lib
-      cp linux64/steamclient.so $out/lib
-      chmod +x $out/lib/steamclient.so
-
-      runHook postInstall
-    '';
-
-    meta = {
-      description = "Steamworks SDK Redist";
-      sourceProvenance = [ sourceTypes.binaryNativeCode ];
-      license = licenses.unfree;
-      badPlatforms = [
-        { hasSharedLibraries = false; }
-      ];
-    };
-  };
-}
diff --git a/modules/games/palworld.nix b/modules/games/palworld.nix
index 0c8cca1..b547249 100644
--- a/modules/games/palworld.nix
+++ b/modules/games/palworld.nix
@@ -7,10 +7,7 @@ let
   cfg = config.modules.games.palworld;
 
   name = "palworld-server";
-  serverScripts = (import ./lib/serverScripts.nix) args;
-  mkWrappedBox64 = (import ./lib/mkWrappedBox64.nix) args;
-  mkSteamPackage = (import ./lib/mkSteamPackage.nix) args;
-  inherit ((import ./lib/steamworks.nix) args) steamworks-sdk-redist;
+  scripts = (import ./lib/scripts.nix) args;
 
   generateSettings = name: value: let
     optionSettings =
@@ -34,21 +31,6 @@ let
       OptionSettings=(${concatStringsSep "," optionSettings})
     '';
 
-  palworld-server = mkSteamPackage {
-    name = "palworld-server";
-    version = "17082920";
-    appId = "2394010";
-    depotId = "2394012";
-    manifestId = "2423583208459052375";
-    hash = "sha256-gAFEDf/rKPQ5zTH8EJ93e4KKHUGi8uiYlPS7G2lWGWk=";
-    meta = {
-      description = "Palworld Dedicated Server";
-      homepage = "https://steamdb.info/app/2394010/";
-      changelog = "https://store.steampowered.com/news/app/1623730?updates=true";
-      sourceProvenance = with sourceTypes; [ sourceTypes.binaryNativeCode ];
-    };
-  };
-
   baseSettings = {
     ServerName = "Unnamed Server";
     AllowConnectPlatform = "Steam";
@@ -157,7 +139,7 @@ in
 
     package = mkOption {
       type = types.package;
-      default = palworld-server;
+      default = pkgs.palworld-server;
     };
 
     public = mkOption {
@@ -219,7 +201,7 @@ in
       files = let
         settings = baseSettings // cfg.settings;
       in {
-        "Pal/Binaries/Linux/steamclient.so" = "${steamworks-sdk-redist}/lib/steamclient.so";
+        "Pal/Binaries/Linux/steamclient.so" = "${pkgs.steamworks-sdk-redist}/lib/steamclient.so";
         "Pal/Saved/Config/LinuxServer/PalWorldSettings.ini" = generateSettings "PalWorldSettings.ini" settings;
         "Pal/Saved/Config/LinuxServer/Engine.ini" = builtins.toFile "Engine.ini" engineSettings;
       };
@@ -236,7 +218,7 @@ in
         ]
           ++ optionals (cfg.ip != null) [ "-publicip=${cfg.ip}" ]
           ++ optionals cfg.public [ "-publiclobby" ];
-        bin = getBin (mkWrappedBox64 "${cfg.datadir}/Pal/Binaries/Linux/PalServer-Linux-Shipping");
+        bin = getExe (pkgs.mkSteamWrapper "${cfg.datadir}/Pal/Binaries/Linux/PalServer-Linux-Shipping");
       in "${bin} ${concatStringsSep " " args}";
     in {
       wantedBy = mkIf cfg.autostart [ "multi-user.target" ];
@@ -245,8 +227,8 @@ in
 
       inherit script;
       preStart = ''
-        ${serverScripts.mkDirs name dirs}
-        ${serverScripts.mkFiles name files}
+        ${scripts.mkDirs name dirs}
+        ${scripts.mkFiles name files}
       '';
 
       serviceConfig = {