fix scheduler with separate script

docker-compose.yml

@@ -21,26 +21,7 @@ services:
       - ./.env:/app/.env:ro
     environment:
       - TZ=Europe/Vienna
-    command: >
-      python -c "
-      import schedule
-      import time
-      from src.main import FlatScraper
-      
-      def run_scraper():
-          scraper = FlatScraper()
-          scraper.run_once()
-      
-      # Schedule every 6 hours
-      schedule.every(6).hours.do(run_scraper)
-      
-      print('Scheduler started. Running every 6 hours.')
-      run_scraper()  # Run immediately
-      
-      while True:
-          schedule.run_pending()
-          time.sleep(60)
-      "
+    command: python scheduler.py
     # platform: linux/arm64
     depends_on:
       - flat-scraper