FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# System deps for OpenCV/ffmpeg and build tools for insightface
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    libgl1 \
    build-essential \
    g++ \
    make \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python deps
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy source
COPY . .

EXPOSE 7860

# Optional: set at runtime
ENV FACE_SWAP_API_KEY=""
ENV OMP_NUM_THREADS=1

CMD ["python3", "-m", "uvicorn", "fastapi_app:app", "--host", "0.0.0.0", "--port", "7860", "--timeout-keep-alive", "1800", "--timeout-graceful-shutdown", "30"]