diff --git a/application.py b/application.py
index 5d031d0..dafe69d 100644
--- a/application.py
+++ b/application.py
@@ -13,7 +13,7 @@ from passlib.hash import argon2
 import pyotp
 import qrcode
 import qrcode.image.svg
-from apscheduler.schedulers.background import BackgroundScheduler
+from apscheduler.schedulers.gevent import GeventScheduler
 from apscheduler.triggers.cron import CronTrigger
 from apscheduler.triggers.date import DateTrigger
 from flask import Flask, request, session, redirect, render_template, url_for, abort, send_from_directory
@@ -23,7 +23,7 @@ application = Flask(__name__)
 app = application  # Fallback-Alias für Gunicorn und Pella
 application.secret_key = secrets.token_hex(64)
 websocket_manager = SocketIO(application, manage_session=False, async_mode='gevent')
-scheduler_instance = BackgroundScheduler(timezone="Europe/Berlin")
+scheduler_instance = GeventScheduler(timezone="Europe/Berlin")
 european_timezone = zoneinfo.ZoneInfo("Europe/Berlin")
 
 IDENTIFIER_LENGTH = 5
@@ -366,6 +366,11 @@ def scheduled_action_wrapper(action_type, form_data):
 def serve_service_worker():
     return send_from_directory(application.static_folder, "service_worker.js")
 
+@application.route("/health")
+@application.route("/ping")
+def handle_health_check():
+    return "OK", 200
+
 @application.route("/")
 @require_player_authentication
 def handle_index():