FROM python:3.12-slim

WORKDIR /app

# 系统依赖：curl 供 healthcheck；无需 libmysqlclient-dev（用 pymysql 纯 Python 驱动）
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 . .

EXPOSE 8000