Set group permissions on /rag/models/ dir

Signed-off-by: Maysun J Faisal <maysunaneek@gmail.com>

Author: maysunfaisal

recipes/natural_language_processing/rag/app/Containerfile

@@ -19,4 +19,6 @@ COPY rag_app.py .
 COPY manage_vectordb.py .
 EXPOSE  8501
 ENV  HF_HUB_CACHE=/rag/models/
+RUN mkdir -p /rag/models/
+RUN chgrp -R 0 /rag/models/ && chmod -R g=u /rag/models/
 ENTRYPOINT [ "streamlit", "run" ,"rag_app.py" ]