如何使用DockerHub镜像加速器
docker软件源地址：https://mirror.baidubce.com
适用于 Centos7 修改Docker配置文件vim /etc/sysconfig/docker, 添加下面
OPTIONS='--registry-mirror=https://mirror.baidubce.com'
修改保存后重启 Docker 以使配置生效。
$ service docker restart
vim /etc/sysconfig/docker
# /etc/sysconfig/docker # Modify these options if you want to change the way the docker daemon runs OPTIONS='--selinux-enabled --log-driver=journald --signature-verification=false --registry-mirror=https://mirror.baidubce.com'
if [ -z "${DOCKER_CERT_PATH}" ]; then DOCKER_CERT_PATH=/etc/docker fi # Do not add registries in this file anymore. Use /etc/containers/registries.conf # instead. For more information reference the registries.conf(5) man page. # Location used for temporary files, such as those created by # docker load and build operations. Default is /var/lib/docker/tmp # Can be overriden by setting the following environment variable. # DOCKER_TMPDIR=/var/tmp # Controls the /etc/cron.daily/docker-logrotate cron job status. # To disable, uncomment the line below. # LOGROTATE=false # docker-latest daemon can be used by starting the docker-latest unitfile. # To use docker-latest client, uncomment below lines #DOCKERBINARY=/usr/bin/docker-latest #DOCKERDBINARY=/usr/bin/dockerd-latest #DOCKER_CONTAINERD_BINARY=/usr/bin/docker-containerd-latest #DOCKER_CONTAINERD_SHIM_BINARY=/usr/bin/docker-containerd-shim-latest