Fix production config: use simple cache instead of Redis, fix Gunicorn to use production config

app/config.py

@@ -80,11 +80,8 @@ class ProductionConfig(Config):
         f'sqlite:///{os.path.join(_basedir, "instance", "dashboard.db")}'
     )
     
-    # Redis Cache
-    CACHE_TYPE = 'redis'
-    CACHE_REDIS_HOST = os.getenv('REDIS_HOST', 'redis')
-    CACHE_REDIS_PORT = int(os.getenv('REDIS_PORT', 6379))
-    CACHE_REDIS_DB = 0
+    # Cache - use simple cache instead of Redis
+    CACHE_TYPE = 'simple'
     CACHE_DEFAULT_TIMEOUT = 300
     
     # Security

docker-entrypoint.sh

@@ -49,4 +49,4 @@ exec gunicorn \
     --timeout 120 \
     --access-logfile - \
     --error-logfile - \
-    "app.app:create_app()"
+    "app.app:create_app('production')"