Update Dockerfile

Dockerfile

@@ -3,10 +3,10 @@ FROM python:3.9-slim
 WORKDIR /code
 
 ENV TRANSFORMERS_CACHE /tmp/transformers_cache
-RUN mkdir -p $TRANSFORMERS_CACHE
+RUN mkdir -p $TRANSFORMERS_CACHE && chmod -R 777 $TRANSFORMERS_CACHE
 
 ENV MPLCONFIGDIR /tmp/matplotlib_config
-RUN mkdir -p $MPLCONFIGDIR
+RUN mkdir -p $MPLCONFIGDIR && chmod -R 777 $MPLCONFIGDIR
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential gcc \