Fix cache permission error - set writable cache directory

Dockerfile

@@ -7,6 +7,14 @@ RUN apt-get update && apt-get install -y \
     build-essential \
     && rm -rf /var/lib/apt/lists/*
 
+# Set environment variables for cache directories
+ENV HF_HOME=/tmp/huggingface
+ENV TRANSFORMERS_CACHE=/tmp/huggingface/transformers
+ENV HF_DATASETS_CACHE=/tmp/huggingface/datasets
+
+# Create cache directory with proper permissions
+RUN mkdir -p /tmp/huggingface && chmod -R 777 /tmp/huggingface
+
 # Copy requirements and install Python dependencies
 COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir --upgrade pip && \