Update Dockerfile

Dockerfile

@@ -32,5 +32,5 @@ RUN apt-get update && apt-get install -y \
 # Expose Hugging Face Spaces default port
 EXPOSE 7860
 
-# Default command - you can replace this with your actual startup script
-CMD ["antigravity"]
+# Default command with required flags for running as root
+CMD ["antigravity", "--no-sandbox", "--user-data-dir=/tmp/antigravity-data"]