[root@localhost ~]$ vim /etc/docker/daemon.json

{

    "authorization-plugins": [],

    "data-root": "",   # 设置docker运行时的根目录

    "dns": [],         # 设置容器的DNS地址

    "dns-opts": [],    # 设置容器的/etc/resolv.conf文件

    "dns-search": [],

    "exec-opts": [],

    "exec-root": "",

    "experimental": false,

    "features": {},

    "storage-driver": "",

    "storage-opts": [],

    "labels": [],

    "live-restore": true,

    "log-driver": "json-file",

    "log-opts": {

        "max-size": "10m",

        "max-files":"",

        "labels": "somelabel",

        "env": "os,customer"

    },

    "mtu": 0,

    "pidfile": "",    # 设置docker守护进程的PID文件

    "cluster-store": "",

    "cluster-store-opts": {},

    "cluster-advertise": "",

    "max-concurrent-downloads": 3,

    "max-concurrent-uploads": 5,

    "default-shm-size": "64M",

    "shutdown-timeout": 15,

    "debug": true,    # 是否以debug模式启动docker

    "hosts": [],      # 设置容器的hosts

    "log-level": "",

    "tls": true,

    "tlsverify": true,

    "tlscacert": "",

    "tlscert": "",

    "tlskey": "",

    "swarm-default-advertise-addr": "",

    "api-cors-header": "",

    "selinux-enabled": false,    # 设置是否支持SELinux

    "userns-remap": "",

    "group": "",

    "cgroup-parent": "",

    "default-ulimits": {

        "nofile": {

            "Name": "nofile",

            "Hard": 64000,

            "Soft": 64000

        }

    },

    "init": false,

    "init-path": "/usr/libexec/docker-init",

    "ipv6": false,

    "iptables": false,

    "ip-forward": false,

    "ip-masq": false,

    "userland-proxy": false,

    "userland-proxy-path": "/usr/libexec/docker-proxy",

    "ip": "0.0.0.0",

    "bridge": "",

    "bip": "",

    "fixed-cidr": "",

    "fixed-cidr-v6": "",

    "default-gateway": "",

    "default-gateway-v6": "",

    "icc": false,

    "raw-logs": false,

    "allow-nondistributable-artifacts": [],

    "registry-mirrors": [],       # 设置镜像加速地址

    "seccomp-profile": "",

    "insecure-registries": [],    # 设置docker的私有仓库地址

    "no-new-privileges": false,

    "default-runtime": "runc",

    "oom-score-adjust": -500,

    "node-generic-resources": ["NVIDIA-GPU=UUID1", "NVIDIA-GPU=UUID2"],

    "runtimes": {

        "cc-runtime": {

            "path": "/usr/bin/cc-runtime"

        },

        "custom": {

            "path": "/usr/local/bin/my-runc-replacement",

            "runtimeArgs": [

                "--debug"

            ]

        }

    },

    "default-address-pools":[{"base":"172.80.0.0/16","size":24},

    {"base":"172.90.0.0/16","size":24}]

}