mkdir docker cache

Dockerfile

@@ -11,6 +11,10 @@ RUN mkdir -p app/vector_store && chmod -R 777 app/vector_store
 RUN mkdir -p app/uploads && chmod -R 777 app/uploads
 RUN mkdir -p app/log_dir && chmod -R 777 app/log_dir
 RUN mkdir -p app/models && chmod -R 777 app/models
+RUN mkdir -p /app/cache && chmod -R 777 app/cache
+
+ENV HF_HOME=/app/cache
+ENV TRANSFORMERS_CACHE= =/app/cache
 
 USER appuser