Shulou(Shulou.com)06/01 Report--

In this issue, the editor will bring you about how to configure the Docker mirror accelerator in CoreOS. The article is rich and analyzed and described from a professional point of view. I hope you can get something after reading this article.

The Docker configuration under CoreOS is realized through flannel unit.

The default location of the configuration file can be seen from the command

Systemctl cat docker# / run/systemd/system/ docker.service[Unit] Requires=torcx.targetAfter=torcx.targetDescription=Docker Application Container EngineDocumentation= http://docs.docker.comAfter=containerd.service docker.socket network-online.targetWants=network-online.targetRequires=containerd.service docker.socket[Service] EnvironmentFile=/run/metadata/torcxType=notifyEnvironmentFile=-/run/flannel/flannel_docker_opts.envEnvironment=DOCKER_SELINUX=--selinux-enabled=true/run/flannel/flannel_docker_opts.env

This file is not available by default, so we can create the corresponding directory and file.

Then edit the contents of the file as follows:

Vi flannel_docker_opts.envDOCKER_OPTS= "--registry-mirror= https://xxxxx.mirror.aliyuncs.com"

After saving, start the docker service

Systemctl daemon-reloadsystemctl restart docker

Finally, verify.

Ps aux | grep dockerroot 831 1.3 0.8 272276 32908? Ssl 16:55 0:00 / run/torcx/bin/dockerd-- host=fd://-- containerd=/var/run/docker/libcontainerd/docker-containerd.sock-- selinux-enabled=true-- registry-mirror= https://xxxxx.mirror.aliyuncs.com above is the editor to share with you how to configure the Docker image accelerator in CoreOS. If you happen to have similar doubts, please refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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