# docker 构建centos 镜像出现错误 `RUN yum install -y vim` 报错

#服务器虚拟化的好处你知道吗?#

# docker 构建centos 镜像出现错误ERROR: failed to solve: process "/bin/sh -c yum install -y vim" did not complete successfully: 解决方法

## 一、在使用docker 构建centos 镜像，如果 执行 ` docker build -f ./centos_dockerfile -t centos_usr:v1 .` 时 `RUN yum install -y vim` 报错

错误信息如下 ：

Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=container error was

curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error"

......

yum-config-manager --save --setopt=<repoid>.skip_if_unavailable=true

Cannot find a valid baseurl for repo: base/7/x86_64

......

ERROR: failed to solve: process "/bin/sh -c yum install -y vim" did not complete successfully: exit code: 1

如下图：

## 二、解决方法：

可以尝试以下方法，进行逐一排除（任何一项执行后，如果构建正常，就无须进行下一项）。

### 1、修改编辑 centos_dockerfile 文件：vim centos_dockerfile

```bash

FROM centos:7

MAINTAINER dzs168

RUN cd /etc/yum.repos.d/ \

&& sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* \

&& sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-* \

&& yum install -y vim

CMD /bin/bash

WORKDIR /usr

```

### 2、配置 yum 源 vim /etc/yum.repos.d/CentOS-Base.repo

```bash

# 更改 yum 源

# CentOS-Base.repo

#

# The mirror system uses the connecting IP address of the client and the

# update status of each mirror to pick mirrors that are updated to and

# geographically close to the client. You should use this for CentOS updates

# unless you are manually picking other mirrors.

#

# If the mirrorlist= does not work for you, as a fall back you can try the

# remarked out baseurl= line instead.

[base]

name=CentOS-$releasever - Base - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/os/$basearch/

http://mirrors.cloud.aliyuncs.com/centos/$releasever/os/$basearch/

gpgcheck=1

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#released updates

[updates]

name=CentOS-$releasever - Updates - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/updates/$basearch/

http://mirrors.cloud.aliyuncs.com/centos/$releasever/updates/$basearch/

gpgcheck=1

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful

[extras]

name=CentOS-$releasever - Extras - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/extras/$basearch/

http://mirrors.cloud.aliyuncs.com/centos/$releasever/extras/$basearch/

gpgcheck=1

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages

[centosplus]

name=CentOS-$releasever - Plus - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/centosplus/$basearch/

http://mirrors.cloud.aliyuncs.com/centos/$releasever/centosplus/$basearch/

gpgcheck=1

enabled=0

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#contrib - packages by Centos Users

[contrib]

name=CentOS-$releasever - Contrib - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/contrib/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/contrib/$basearch/

http://mirrors.cloud.aliyuncs.com/centos/$releasever/contrib/$basearch/

gpgcheck=1

enabled=0

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

```

### 3、启用仓库配置

```shell

yum-config-manager --enable base

```

### 4、清理缓存，重建缓存

```bash

yum clean all

yum makecache

```

### 5、配置网卡，添加 DNS 服务器：vim /etc/sysconfig/network-scripts/ifcfg-enp0s3

```bash

TYPE=Ethernet

PROXY_METHOD=none

BROWSER_ONLY=no

# BOOTPROTO=dhcp

BOOTPROTO=static

IPADDR=192.168.43.216

NETMASK=255.255.255.0

GATEWAY=192.168.43.1

DNS1=8.8.8.8

DNS2=114.114.114.114

DEFROUTE=yes

IPV4_FAILURE_FATAL=no

IPV6INIT=yes

IPV6_AUTOCONF=yes

IPV6_DEFROUTE=yes

IPV6_FAILURE_FATAL=no

IPV6_ADDR_GEN_MODE=stable-privacy

NAME=enp0s3

UUID=43f2469a-7ff2-418f-ac9a-3bc5a3f14d46

DEVICE=enp0s3

ONBOOT=yes

```

### 6、重启网卡

```bash

systemctl restart network

# 或者

service network restart

```

### 7、配置 docker 镜像加速器 vim /etc/docker/daemon.json

```bash

# 配置内容如下：

{

"registry-mirrors": ["https://5y3wa0zw.mirror.aliyuncs.com",

"http://hub-mirror.c.163.com",

"https://docker.m.daocloud.io/",

"https://huecker.io/",

"https://dockerhub.timeweb.cloud",

"https://noohub.ru/",

"https://dockerproxy.com",

"https://docker.mirrors.ustc.edu.cn",

"https://docker.nju.edu.cn",

"https://xx4bwyg2.mirror.aliyuncs.com",

"http://f1361db2.m.daocloud.io",

"https://registry.docker-cn.com",

"https://docker.mirrors.ustc.edu.cn"

]

}

# 重新加载配置文件

systemctl daemon-reload

# 重启docker

systemctl restart docker

```

### 8、在当前目录（注意命令后面的 `.`），重新通过dockerfile构建镜像

```bash

docker build -f ./centos_dockerfile -t centos_usr:v1 .

```