Fix permission issues - create writable cache directories for HF models

Dockerfile

@@ -30,6 +30,15 @@ RUN apt-get update && apt-get install -y \
 # Set working directory
 WORKDIR /app
 
+# Create writable directories for Hugging Face cache
+RUN mkdir -p /app/.cache /app/.config && \
+    chmod 777 /app/.cache /app/.config
+
+# Set environment variables for Hugging Face
+ENV HF_HOME=/app/.cache
+ENV TRANSFORMERS_CACHE=/app/.cache
+ENV YOLO_CONFIG_DIR=/app/.config
+
 # Copy requirements and install Python packages
 COPY requirements.txt .