docker daemon.json 配置

{
    "builder": {
        "gc": {
            "defaultKeepStorage": "30GB",
            "enabled": true
        }
    },
    "debug": false,
    "experimental": false,
    "features": {
        "buildkit": true
    },
    "insecure-registries": [
    ],
    "registry-mirrors": [
        "https://docker.mirrors.ustc.edu.cn",
        "http://hub-mirror.c.163.com"
    ]
}