Fix HuggingFace cache directory permissions

Set HF_HOME, TRANSFORMERS_CACHE, and HF_HUB_CACHE to writable /tmp directory to avoid permission errors

Dockerfile

@@ -3,11 +3,17 @@ FROM nvidia/cuda:12.1.1-cudnn8-runtime-ubuntu22.04
 ENV DEBIAN_FRONTEND=noninteractive \
     PYTHONUNBUFFERED=1 \
     PIP_NO_CACHE_DIR=1 \
-    HF_HUB_ENABLE_HF_TRANSFER=1
+    HF_HUB_ENABLE_HF_TRANSFER=1 \
+    HF_HOME=/tmp/huggingface \
+    TRANSFORMERS_CACHE=/tmp/huggingface/transformers \
+    HF_HUB_CACHE=/tmp/huggingface/hub
 
 RUN apt-get update && apt-get install -y python3 python3-pip git && rm -rf /var/lib/apt/lists/*
 WORKDIR /app
 
+# Create writable cache directories for HuggingFace
+RUN mkdir -p /tmp/huggingface && chmod -R 777 /tmp/huggingface
+
 COPY requirements.txt /app/
 RUN python3 -m pip install --upgrade pip && pip3 install -r requirements.txt