Docker配置文件daemon.json常用配置项说明

心已赠人 2023-09-29 14:10 24阅读 0赞

{
        
        "authorization-plugins": [],
        "data-root": "", 
         #Docker运行时使用的根路径,根路径下的内容稍后介绍，默认/var/lib/docker
        "dns": [],  
         #设定容器DNS的地址，在容器的 /etc/resolv.conf文件中可查看
        "dns-opts": [],
         #容器 /etc/resolv.conf 文件，其他设置
        "dns-search": [],
         #设定容器的搜索域，当设定搜索域为 .example.com 时，在搜索一个名为 host 的 主机时，DNS不仅搜索host，还会搜索host.example.com。注意：如果不设置，Docker 会默认用主机上的 /etc/resolv.conf来配置容器。
        "exec-opts": [],
        "exec-root": "",
        "experimental": false,
        "features": {
        },
        "storage-driver": "",
        "storage-opts": [],
        "labels": [],
         #docker主机的标签，很实用的功能,例如定义：–label nodeName=host-121
        "live-restore": true,
        "log-driver": "",
        "log-opts": {
        },
        "mtu": 0,
        "pidfile": "",
         #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, 
         #启用debug的模式，启用后，可以看到很多的启动信息。默认false
        "hosts": [],
        #设置容器hosts
        "log-level": "",
        "tls": true,  
         #默认 false, 启动TLS认证开关
        "tlscacert": "", 
         #默认 ~/.docker/ca.pem，通过CA认证过的的certificate文件路径
        "tlscert": "", 
         #默认 ~/.docker/cert.pem ，TLS的certificate文件路径
        "tlskey": "",
         #默认~/.docker/key.pem，TLS的key文件路径
        "tlsverify": true,
         #默认false，使用TLS并做后台进程与客户端通讯的验证
        "tls": true,
        "tlsverify": true,
        "tlscacert": "",
        "tlscert": "",
        "tlskey": "",
        "swarm-default-advertise-addr": "",
        "api-cors-header": "",
        "selinux-enabled": false, 
         #默认 false，启用selinux支持
        "userns-remap": "",
        "group": "",
         #Unix套接字的属组,仅指/var/run/docker.sock
        "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,
        #默认true, 启用 net.ipv4.ip_forward ,进入容器后使用sysctl -a|grepnet.ipv4.ip_forward查看
        "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": [],
         #镜像加速的地址，增加后在 docker info中可查看。
        "seccomp-profile": "",
        "insecure-registries": [],
         #配置docker的私库地址
        "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}]
    }

参考链接：  
[https://www.jianshu.com/p/c7c7dc24b9e3][https_www.jianshu.com_p_c7c7dc24b9e3]  
[https://docs.docker.com/engine/reference/commandline/dockerd/][https_docs.docker.com_engine_reference_commandline_dockerd]

[https_www.jianshu.com_p_c7c7dc24b9e3]: https://www.jianshu.com/p/c7c7dc24b9e3
[https_docs.docker.com_engine_reference_commandline_dockerd]: https://docs.docker.com/engine/reference/commandline/dockerd/