Docker从私服中下载镜像遇到的问题

2015-08-29

Docker从私服中下载镜像遇到的问题

由于从docker1.3.2版本开始默认docker registry使用的是https,并且在centos7和centos6.5中默认开启了SSL安全.因此如果你的私服搭建到centos7上的话.那么其他的机器如果要从这个私服pull镜像的话,很可能会报错:
If this private registry supports only HTTP or HTTPS with an unknown CA certificate, please add—insecure-registry 192.168.112.136:5000to the daemon's arguments. In the case of HTTPS, if you have access to the registry's CA certificate, no need for the flag; simply place the CA certificate at /etc/docker/certs.d/192.168.112.136:5000/ca.crt

那么解决的办法就是在连接私服的客户端上,修改docker-server的配置.
具体位置在:ubuntu的 /etc/init/docker.conf
centos的 /etc/default/docker

增加一个:--insecure-registry 192.168.112.136:5000 即可. 其中的IP就是私服的IP

具体如下:

$ sudo vi /etc/init/docker.conf

修改完之后，重启Docker服务即可

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