>[info] 构建 centos 镜像 ```console # 1. 构建dockerfile文件（centos镜像内置不存在网络 需要配置 repo源） FROM centos MAINTAINER chuxin<420029810.com> ENV MYPATH /usr/local WORKDIR $MYPATH RUN yum install -y vim RUN yum install -y net-tools EXPOSE 80 CMD echo $MYPATH CMD echo "---end---" CMD /bin/bash # 2. 通过 build 构建镜像 dockerfile]# docker build -f dockerfile-centos -t mycentos:1.0 . ```