Update config.py

config.py

@@ -5,5 +5,13 @@ class Config:
     
     SQLALCHEMY_DATABASE_URI =os.getenv("DATABASE_URL")
     SQLALCHEMY_TRACK_MODIFICATIONS = False
+
+    SQLALCHEMY_ENGINE_OPTIONS = {
+        # Recycle connections after 280 seconds (less than potential 5-min server timeout)
+        'pool_recycle': 280,
+        # Optionally, enable pre-ping for extra robustness (recommended)
+        'pool_pre_ping': True
+    }
+    
     
     FLASK_ADMIN_SWATCH = 'cerulean'  # Optionnel, permet de changer le style facilement