docker下载镜像，不是一般的费劲

[root@k8s-master1 ~]# docker pull nginx:stable
stable: Pulling from library/nginx
e1acddbe380c: Downloading
3531440cef5c: Waiting
8d3164521c66: Waiting
bfa874018c0b: Waiting
88968739ab50: Waiting
6ca865bf770b: Waiting
stable: Pulling from library/nginx
e1acddbe380c: Pull complete
3531440cef5c: Pull complete
8d3164521c66: Pull complete
bfa874018c0b: Pull complete
88968739ab50: Pull complete
6ca865bf770b: Pull complete
Digest: sha256:be474d9b100645552a3308085996e287a8c3249c3605cd585a0f7eb3659e2bf4
Status: Downloaded newer image for nginx:stable
docker.io/library/nginx:stable
[root@k8s-master1 ~]# cat /etc/docker/daemon.json
{
“registry-mirrors”: [“https://hub-mirror.c.163.com”,“https://mirror.ccs.tencentyun.com”]
}