FROM python:3.12-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

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

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

COPY app/ .

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
  CMD curl -fsS http://127.0.0.1:8000/health || exit 1

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
