FROM python:3.12-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

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

COPY . .

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=5 \
  CMD python -c "import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://localhost:8000/health').status==200 else 1)"

# --proxy-headers: necesario detrás del reverse proxy (Traefik/Coolify)
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers", "--forwarded-allow-ips=*"]