Update Dockerfile

Dockerfile

@@ -15,6 +15,10 @@ WORKDIR /app
 
 # Copy the requirements file into the container
 COPY --chown=user ./requirements.txt requirements.txt
+# Install system dependencies (including FFmpeg)
+USER root
+RUN apt-get update && apt-get install -y ffmpeg
+USER user
 
 # Install any needed packages specified in requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt