docker adds domestic image

Students who have used docker know that the default image address of docker is very slow when pulling the image, and may even time out. To solve this problem, we can add a domestic mirror address.

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1. Domestic acceleration address

Docker China official image

https://registry.docker-cn.com

NetEase

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

ustc

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

University of Science and Technology of China

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

Alibaba Cloud Container Service

https://cr.console.aliyun.com/

Click "Create my container image" on the homepage to get a dedicated image acceleration address, similar to "https://1234abcd.mirror.aliyuncs.com"

2. Add method

2.1 Add "https://registry.docker-cn.com" to the registry-mirrors array.

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

2.2 Use command mode to add

[root@localhost ~]# dockerd --registry-mirror=https://registry.docker-cn.com

Related recommendations: docker tutorial

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