背景用镜像拉起的mysql5.6.44的容器os是Debian GNU/Linux 9 (stretch)这个错误表明系统仍在使用 Debian 9 (Stretch)但该版本已于 2022年6月30日 结束生命周期EOL官方仓库已下线。解决方案# 进入容器 docker exec -it container_name bash # 导入 Debian 归档密钥 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys AA8E81B4331F7F50 112695A0E562B32A 04E7233B7D453EEC EF0F382A1A7B6500 648ACFD622F3D138 0E98404D386FA1D9 # 修改 apt 源为归档镜像 cat /etc/apt/sources.list EOF deb http://archive.debian.org/debian/ stretch main contrib non-free deb http://archive.debian.org/debian-security stretch/updates main contrib non-free EOF # 清理并更新忽略有效期 rm -rf /etc/apt/sources.list.d/mysql.list apt-get clean apt-get update -o Acquire::Check-Valid-Untilfalse -o Acquire::AllowInsecureRepositoriestrue || true # 允许未签名安装应急 apt-get install -y --allow-unauthenticated package_name