diff --git a/modules/tray.js b/modules/tray.js
index e69de29..0772547 100644
--- a/modules/tray.js
+++ b/modules/tray.js
@@ -0,0 +1,28 @@
+function createTray(win) {
+  const iconPath = path.join(__dirname, 'assets/icon/trayicon.png');
+  const icon = nativeImage.createFromPath(iconPath);
+
+  // Standard-Größen je nach OS
+  let size;
+  switch (process.platform) {
+    case 'darwin': // macOS
+      size = { width: 22, height: 22 };
+      break;
+    case 'win32':  // Windows
+      size = { width: 16, height: 16 };
+      break;
+    default:       // Linux / other
+      size = { width: 24, height: 24 };
+  }
+
+  const trayImage = icon.resize(size);
+  const tray = new Tray(trayImage);
+
+  tray.setToolTip('Auto-Git läuft im Hintergrund');
+  tray.on('double-click', () => {
+    win.show();
+    win.focus();
+  });
+
+  return tray;
+}
\ No newline at end of file