Update Dockerfile

Dockerfile

@@ -1,8 +1,14 @@
 FROM python:3.9
 
-# Create writable cache directory
+# Create writable cache with proper permissions
 RUN mkdir -p /tmp/cache && chmod 777 /tmp/cache
 
+# Set environment variables at OS level
+ENV TRANSFORMERS_CACHE=/tmp/cache
+ENV HF_HOME=/tmp/cache
+ENV HF_DATASETS_CACHE=/tmp/cache
+ENV HUGGINGFACE_HUB_CACHE=/tmp/cache
+
 WORKDIR /app
 COPY . .
 RUN pip install --no-cache-dir -r requirements.txt