docker实践之搭建php环境下载centos镜像docker pull centos:latest下载的centos版本为7.3由centos镜像启动一个容器docker run -i -t centos /bin/bash在容器中安装所需环境参考：centos 7.x 下安装php环境# 更新源rpm -Uvh https://dl.fedoraproject.org/pub/epel