FROM docker.m.daocloud.io/library/python:3.11-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    TZ=Asia/Shanghai

COPY backend/requirements.txt .

RUN apt-get update && apt-get install -y --no-install-recommends tzdata \
    && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo "Asia/Shanghai" > /etc/timezone \
    && pip install --no-cache-dir -r requirements.txt \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

COPY backend ./backend

ENV WECHAT_UPSTREAM_BASE_URL=http://your-wechat-server-host:port

EXPOSE 8000

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