Update Dockerfile

Dockerfile

@@ -1,11 +1,14 @@
+# Use Hugging Face chat-ui-db image
 FROM ghcr.io/huggingface/chat-ui-db:latest
 
-# Hugging Face Spaces port requirement
+# Spaces require the app to listen on port 7860
 ENV PORT=7860
 ENV HF_TOKEN=""
 
+# Mount /data for persistence
 VOLUME ["/data"]
+
+# Expose the port Spaces expects
 EXPOSE 7860
 
-# Force app to use 7860 instead of 3000
-CMD ["sh", "-c", "PORT=7860 node server.js"]
+# ✅ Do NOT override CMD — let the base image handle startup