docker安装部署

1.环境

centos7

2.安装步骤

1.安装必要工具

yum install -y yum-utils device-mapper-persistent-data lvm2

2.配置软件源

yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

3.修改软件源

sed -i 's+download.docker.com+mirrors.aliyun.com/docker-ce+' /etc/yum.repos.d/docker-ce.repo

4.更新并下载docker

yum makecache fast
yum -y install docker-ce

5.设置开机自启

systemctl enable docker.service

3.启动docker

1.配置docker镜像加速器

[root@localhost ~]# cat /etc/docker/daemon.json
{
"registry-mirrors": ["https://registry.docker-cn.com"]
}

重载：

systemctl daemon-reload

重启docker

systemctl restart docker

查看信息

[root@localhost ~]# docker info

Registry Mirrors:
https://registry.docker-cn.com/ 最后有这个表示配置成功

2.启动服务

[root@localhost ~]# systemctl daemon-reload
[root@localhost ~]# systemctl enable docker
[root@localhost ~]# systemctl start docker
[root@localhost ~]# docker version
Client: Docker Engine - Community
Version: 24.0.5
API version: 1.43
Go version: go1.20.6
Git commit: ced0996
Built: Fri Jul 21 20:39:02 2023
OS/Arch: linux/amd64
Context: default

Server: Docker Engine - Community
Engine:
Version: 24.0.5
API version: 1.43 (minimum version 1.12)
Go version: go1.20.6
Git commit: a61e2b4
Built: Fri Jul 21 20:38:05 2023
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.6.22
GitCommit: 8165feabfdfe38c65b599c4993d227328c231fca
runc:
Version: 1.1.8
GitCommit: v1.1.8-0-g82f18fe
docker-init:
Version: 0.19.0
GitCommit: de40ad0