Update Dockerfile

Dockerfile

@@ -2,5 +2,8 @@ FROM ghcr.io/open-webui/open-webui:latest
 
 COPY data-sync.sh data-sync.sh  
 
-RUN chmod -R 777 ./data && \  
-    sed -i "1r data-sync.sh" ./start.sh  
+RUN mv /app/backend/open_webui/static /app/backend/open_webui/static_original
+
+RUN ln -s /data/static /app/backend/open_webui/static
+
+RUN sed -i '1i #!/bin/bash\n/bin/bash ./data-sync.sh\nif [ ! -d "/data/static" ]; then cp -r /app/backend/open_webui/static_original/. /data/static; fi' ./start.sh