介绍如何在 Dockerfile 中对基础镜像进行换源,加快软件的安装。
Python 的基础系统
官方 Python 的基础系统分成两类:
- Debian:标准标签,如 3.12、3.12-slim
- Alpine Linux:Alpine 标签,如 3.12-alpine
本文方法适用于第 1 类。
Docker 指令
将以下指令信息复制到 Dockerfile 中,放置到 apt-get update 之前:
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| RUN rm -rf /etc/apt/sources.list* \
&& ls -l /etc/apt/ | grep -v sources || true
RUN echo "deb http://mirrors.aliyun.com/debian/ bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list \
&& echo "deb http://mirrors.aliyun.com/debian/ bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list \
&& echo "deb http://mirrors.aliyun.com/debian-security/ bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list \
&& echo "deb http://mirrors.aliyun.com/debian/ bookworm-backports main contrib non-free non-free-firmware" >> /etc/apt/sources.list
|
- 第 1 个 RUN 指令:删除默认的源信息
- 第 2 个 RUN 指令:将阿里云的源写入到
sources.list 文件