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# 第一阶段:构建阶段 | |
FROM python:3.10-slim AS builder | |
# 设置工作目录 | |
WORKDIR /app | |
# 复制依赖文件 | |
COPY requirements.txt . | |
# 安装构建依赖 | |
RUN apt-get update && apt-get install -y \ | |
build-essential \ | |
libssl-dev \ | |
libffi-dev \ | |
python3-dev \ | |
&& apt-get clean \ | |
&& pip install --no-cache-dir --upgrade pip \ | |
&& pip install --no-cache-dir -r requirements.txt | |
# 第二阶段:运行阶段 | |
FROM python:3.10-slim | |
# 设置工作目录 | |
WORKDIR /tmp | |
# 从构建阶段复制必要的文件 | |
COPY --from=builder /usr/local/lib/python3.10/site-packages /usr/local/lib/python3.10/site-packages | |
COPY --from=builder /usr/local/bin /usr/local/bin | |
COPY . . | |
# 设置环境变量 | |
ENV PYTHONUNBUFFERED=1 | |
ENV MPLCONFIGDIR=/tmp/matplotlib | |
# 确保Matplotlib配置目录可写 | |
RUN mkdir -p /tmp/matplotlib && chmod -R 777 /tmp/matplotlib | |
# 暴露 Flask 端口 | |
EXPOSE 5000 | |
# 运行 Flask 应用 | |
CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"] |