FROM python:3.13-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    HOST=0.0.0.0 \
    PORT=8000

# kiwipiepy/scikit-learn/torch 빌드에 필요한 시스템 패키지
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install -r requirements.txt

COPY app ./app
COPY data ./data

# 코퍼스 업로드 디렉토리는 볼륨 마운트 권장
VOLUME ["/app/data/reference"]

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
  CMD python -c "import os, urllib.request; urllib.request.urlopen(f'http://localhost:{os.environ.get(\"PORT\", 8000)}/v1/health').read()" || exit 1

# .env의 HOST/PORT/LOG_LEVEL 따라 동작
CMD ["python", "-m", "app.main"]