docker config文件
{
"registry-mirrors": ["https://docker.mirrors.ustc.edu.cn","https://hub-mirror.c.163.com"],
"insecure-registries": ["docker02:3500","172.25.99.4:5000"],
"max-concurrent-downloads": 20,
"live-restore": true,
"max-concurrent-uploads": 10,
"debug": true,
"data-root": "/k8s/docker/data",
"exec-root": "/k8s/docker/exec",
"log-opts": {
"max-size": "100m",
"max-file": "5"
}
}