change dockerfile for cache permissions

Dockerfile

@@ -10,6 +10,9 @@ COPY requirements.txt /app/
 # Step 4: Install any dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Set an environment variable for Hugging Face cache
+ENV TRANSFORMERS_CACHE=/app/huggingface_cache
+
 # Step 5: Copy the rest of the application code
 COPY . /app/