FROM python:3.10-slim

WORKDIR /app
ENV PORT=7860
ENV PYTHONUNBUFFERED=1

# System deps for OpenCV headless
RUN apt-get update && apt-get install -y --no-install-recommends \
    libglib2.0-0 libsm6 libxrender1 libxext6 curl \
    && rm -rf /var/lib/apt/lists/*

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

COPY app/ ./app/
COPY models/ ./models/

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD curl -f http://localhost:${PORT}/health || exit 1

CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${PORT} --workers 1"]