update dokerfile

Dockerfile

@@ -8,9 +8,9 @@ COPY app/requirements.txt ./backend-requirements.txt
 COPY fe/requirements.txt ./frontend-requirements.txt
 RUN pip install --no-cache-dir -r backend-requirements.txt -r frontend-requirements.txt
 
-# Set writable cache directory using HF_HOME
-ENV HF_HOME=/usr/src/app/hf_cache
-RUN mkdir -p /usr/src/app/hf_cache
+# Set cache directories to /tmp
+ENV HF_HOME=/tmp/huggingface
+ENV TRANSFORMERS_CACHE=/tmp/huggingface
 
 # Set PYTHONPATH to ensure all modules are discoverable
 ENV PYTHONPATH=/usr/src/app