Update Dockerfile

Dockerfile

@@ -25,6 +25,10 @@ EXPOSE 7860
 # Example of using a build-time secret
 RUN --mount=type=secret,id=MATERIALS_PROJECT_API_KEY \
     echo "Using secret during build"
-    
+
+# Set an environment variable for Hugging Face cache
+ENV HF_HOME=/app/.cache
+
+
 # Run the app
 CMD ["python", "app.py"]