# ============================================================
#  Weibo-HotSign Frontend Dockerfile (Flask)
# ============================================================

FROM python:3.11-slim

WORKDIR /app

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

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

COPY . .

# 创建 flask_session 目录
RUN mkdir -p flask_session

RUN groupadd -r appuser && useradd -r -g appuser appuser \
    && chown -R appuser:appuser /app
USER appuser

EXPOSE 5000

HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD curl -f http://localhost:5000/ || exit 1

CMD ["python", "app.py"]