centos8.5安装docker

1、设置docker-ce配置文件

[root@localhost ~]# sudo vi /etc/yum.repos.d/docker-ce.repo

2、在docker-ce.repo 文件中添加以下内容：

[docker-ce]
name=Docker CE Stable - $basearch
baseurl=https://mirrors.aliyun.com/docker-ce/linux/centos/8/$basearch/stable/
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/docker-ce/linux/centos/gpg
enabled=1

3、安装docker：

[root@localhost ~]# sudo dnf update
[root@localhost ~]# sudo dnf install -y docker-ce docker-ce-cli containerd.io
[root@localhost ~]# sudo systemctl start docker
[root@localhost ~]# sudo systemctl enable docker
[root@localhost ~]# docker --version

4、配置docker镜像加速器

{
  "registry-mirrors": [
    "https://dockerhub.icu",
    "https://docker.chenby.cn",
    "https://docker.1panel.live",
    "https://docker.awsl9527.cn",
    "https://docker.anyhub.us.kg",
    "https://dhub.kubesre.xyz"
  ]
}

5、重启docker服务

[root@localhost ~]# sudo systemctl restart docker