ARG BASE_IMAGE=python:3.11-slim

FROM ${BASE_IMAGE} AS builder

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONPATH=/app

RUN apt-get update && apt-get install -y --no-install-recommends gcc \
    && rm -rf /var/lib/apt/lists/*

RUN pip install --upgrade pip

COPY requirements.txt .
RUN pip install --no-cache-dir --timeout=300 --retries=5 -r requirements.txt

COPY . .

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')" || exit 1

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