Docker File创建镜像失败ERROR [3/4] RUN yum -y install vim的解决

FROM centos
MAINTAINER xxxxx<xxxxxxxxx@qq.com>

ENV MYPATH /usr/local
WORKDIR $MYPATH

RUN yum -y install vim
RUN yum -y install net-tools

EXPOSE 80

CMD echo $MYPATH
CMD echo "============"
CMD /bin/bash

FROM centos:7 # 添加版本
MAINTAINER xxxxx<xxxxxxxxx@qq.com>

ENV MYPATH /usr/local
WORKDIR $MYPATH

# 由于centos7停止服务，这里使用阿里云提供的centos7镜像.2024-08-04
RUN curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
RUN yum makecache

RUN yum -y install vim
RUN yum -y install net-tools

EXPOSE 80

CMD echo $MYPATH
CMD echo "============"
CMD /bin/bash

[+] Building 34.8s (8/8) FINISHED                                                          
 => [internal] load build definition from mycentos                                    0.0s
 => => transferring dockerfile: 306B                                                  0.0s
 => [internal] load .dockerignore                                                     0.0s
 => => transferring context: 2B                                                       0.0s
 => [internal] load metadata for docker.io/library/centos:7                           0.3s
 => [1/4] FROM docker.io/library/centos:7@sha256:9d4bcbbb213dfd745b58be38b13b996ebb5  0.0s
 => CACHED [2/4] WORKDIR /usr/local                                                   0.0s
 => [3/4] RUN yum -y install vim                                                     29.1s
 => [4/4] RUN yum -y install net-tools                                                2.8s
 => exporting to image                                                                2.2s 
 => => exporting layers                                                               2.2s 
 => => writing image sha256:9a4f44d6f8c3f8cb6e515e5183feb133ff89e3bc0a8b0597b5aec81f  0.0s 
 => => naming to docker.io/library/chengxcentos:1.0                                   0.0s