update docker for fix cache issue

Dockerfile

@@ -42,5 +42,10 @@ ENV GRADIO_SERVER_NAME="0.0.0.0"
 # Set environment variables
 ENV PYTHONUNBUFFERED=1
 
+# Set for Numba cache (error from https://github.com/librosa/librosa/issues/1156)
+RUN mkdir -m 777 /tmp/NUMBA_CACHE_DIR /tmp/MPLCONFIGDIR
+ENV NUMBA_CACHE_DIR=/tmp/NUMBA_CACHE_DIR/
+ENV MPLCONFIGDIR=/tmp/MPLCONFIGDIR/
+
 # Run the application
 CMD ["python", "app.py"]