Fix cache permission error

Dockerfile

@@ -4,6 +4,11 @@ FROM python:3.10-slim
 # Set the working directory in the container
 WORKDIR /code
 
+# --- FIX FOR PERMISSION ERROR ---
+# Set an environment variable to use a writable directory for the cache
+ENV HF_HOME=/tmp/huggingface_cache
+ENV TORCH_HOME=/tmp/torch_cache
+
 # Install system dependencies required by OpenCV
 RUN apt-get update && apt-get install -y \
     libgl1-mesa-glx \