FROM python:3.11-slim

# Runtime deps: libglib2.0-0 for OpenCV-headless, ffmpeg for video codecs.
# No GL library needed — opencv-python-headless has no libGL dependency.
RUN apt-get update && apt-get install -y --no-install-recommends \
    libglib2.0-0 \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY app.py index.html ./

# Writable directory for extracted frames
RUN mkdir -p frames && chmod 777 frames

EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]