Fix mediapipe model file permissions in Dockerfile

Dockerfile

@@ -12,6 +12,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Fix permissions for mediapipe model files
+RUN chmod -R 755 /usr/local/lib/python3.9/site-packages/mediapipe
+
 # Copy all necessary application files and folders from HFup/ to /app in the container
 # These paths are relative to the Dockerfile's location (i.e., inside HFup/)
 COPY app.py .