Create /data folder in Dockerfile.

Dockerfile

@@ -23,6 +23,8 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy the rest of the application
 COPY . .
 
+RUN mkdir /data
+
 # Create the SQLite database directory with proper permissions
 RUN mkdir -p /app/instance && chmod 777 /app/instance