# 1. Use a lightweight Python base image
FROM python:3.10-slim

# 2. Install FFmpeg (Crucial for your video and audio processing!)
RUN apt-get update && apt-get install -y ffmpeg libsm6 libxext6 && rm -rf /var/lib/apt/lists/*

# 3. Create a non-root user (Hugging Face requires this for security)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# 4. Set the working directory
WORKDIR $HOME/app

# 5. Copy your requirements and install them
COPY --chown=user requirement.txt .
RUN pip install --no-cache-dir -r requirement.txt

# 6. Copy all your code and UI files into the container
COPY --chown=user . .

# 7. Create the temporary folders so the app doesn't crash on upload
RUN mkdir -p uploads processed_frames

# 8. Expose port 7860 (This is the specific port Hugging Face listens to)
EXPOSE 7860

# 9. Start your Flask application
CMD ["gunicorn", "-b", "0.0.0.0:7860", "--timeout", "300", "app:app"]