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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"] |