config

daemon.json

 1 {
 2 "api-cors-header":"", 
 3 "authorization-plugins":[],
 4 "bip": "",
 5 "bridge":"",
 6 "cgroup-parent":"",
 7 "cluster-store":"",
 8 "cluster-store-opts":{},
 9 "cluster-advertise":"",
10 "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
11 "default-gateway":"",
12 "default-gateway-v6":"",
13 "default-runtime":"runc",
14 "default-ulimits":{},
15 "disable-legacy-registry":false,
16 "dns": ["192.168.1.1"], # 设定容器DNS的地址，在容器的 /etc/resolv.conf文件中可查看。
17 "dns-opts": [],  # 容器 /etc/resolv.conf 文件，其他设置
18 "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。
19"exec-opts": [],
20 "exec-root":"",
21 "fixed-cidr":"",
22 "fixed-cidr-v6":"",
23 "graph":"/var/lib/docker",＃已废弃，使用data-root代替,这个主要看docker的版本
24 "data-root":"/var/lib/docker",＃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
25 "group": "",#Unix套接字的属组,仅指/var/run/docker.sock
26 "hosts": [],  #设置容器hosts
27 "icc": false,
28 "insecure-registries": [], #配置docker的私库地址
29 "ip":"0.0.0.0",
30 "iptables": false,
31 "ipv6": false,
32 "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
33 "ip-masq":false,
34 "labels":["nodeName=node-121"], # docker主机的标签，很实用的功能,例如定义：–label nodeName=host-121
35 "live-restore": true,
36 "log-driver":"",
37 "log-level":"",
38 "log-opts": {},
39 "max-concurrent-downloads":3,
40 "max-concurrent-uploads":5,
41 "mtu": 0,
42 "oom-score-adjust":-500,
43 "pidfile": "",  #Docker守护进程的PID文件
44 "raw-logs": false,
45 "registry-mirrors":["xxxx"], #镜像加速的地址，增加后在 docker info中可查看。
46 "runtimes": {
47 "runc": {
48 "path": "runc"
49 },
50 "custom": {
51 "path":"/usr/local/bin/my-runc-replacement",
52 "runtimeArgs": [
53 "--debug"
54 ]
55 }
56 },
57 "selinux-enabled": false, #默认 false，启用selinux支持
58 "storage-driver":"",
59 "storage-opts": [],
60 "swarm-default-advertise-addr":"",
61 "tls": true,   #默认 false, 启动TLS认证开关
62 "tlscacert": "",#默认 ~/.docker/ca.pem，通过CA认证过的的certificate文件路径
63 "tlscert": "",   #默认 ~/.docker/cert.pem ，TLS的certificate文件路径
64 "tlskey": "",  #默认~/.docker/key.pem，TLS的key文件路径
65 "tlsverify": true, #默认false，使用TLS并做后台进程与客户端通讯的验证
66 "userland-proxy":false,
67 "userns-remap":""
68 }

daemon.json 小例子

1
2{
3  "registry-mirrors": ["http://docker.mirrors.ustc.edu.cn"],
4  "log-driver":"json-file",
5  "log-opts": {"max-size":"500m", "max-file":"3"},
6  "data-root":"/docker/libdocker"
7}

后续启动命令

1vim /etc/docker/daemon.json
2systemctl daemon-reload
3systemctl restart docker

1sudo mkdir -p /etc/docker
2sudo tee /etc/docker/daemon.json <<-'EOF'
3{
4  "registry-mirrors": ["https://.com"]
5}
6EOF
7sudo systemctl daemon-reload
8sudo systemctl restart docker
9

可以修改的

1
2sed -i 's#ExecStart.*#ExecStart=/usr/bin/dockerd  -H fd:// --containerd=/run/containerd/containerd.sock -g /docker/libdocker #g' /usr/lib/systemd/system/docker.service
3

{
"registry-mirrors": ["http://docker.mirrors.ustc.edu.cn"],
"log-driver":"json-file",
"log-opts": {"max-size":"500m", "max-file":"3"},
"data-root":"/docker/libdocker"
}

vim /etc/docker/daemon.json

systemctl daemon-reload

systemctl restart docker

sed -i 's#ExecStart.*#ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -g /docker/libdocker #g' /usr/lib/systemd/system/docker.service

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://k19o1tfu.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

docker run启动

设置类型	Description
shared	任何挂载了此目录的容器都会双向和宿主机实时更新,作用范围当前目录,不包括子目录
slave	任何挂载了此目录的容器都会收到实时更新,更新是单向的; 宿主机到容器,作用范围当前目录,不包括子目录
private	任何挂载了此目录的容器都不会收到实时更新
rshared	同 shared, 作用范围也包括子目录
rslave	同 slave, 作用范围也包括子目录
rprivate	同 private, 作用范围也包括子目录

相关例子

1 docker run -d \
2  -it \
3  --name devtest \
4  --mount type=bind,source="$(pwd)"/target,target=/app \
5  --mount type=bind,source="$(pwd)"/target,target=/app2,readonly,bind-propagation=rslave \
6  nginx:latest

 1volumes:
 2      - type: bind
 3        source: ./
 4        target: /app
 5        read_only: false
 6        bind:
 7          propagation: rslave
 8      - type: bind
 9        source: ./deploy/php.ini
10        target: /opt/bitnami/php/conf/php.ini
11        read_only: true
12        bind:
13          propagation: rslave

实际使用的例子

 1# 在工作目录下创建 docker-compose.yml 文件，编辑以下内容
 2version: "3.8"
 3services:
 4  nginx:
 5    image: docker.nexus.registry:5000/docker/nginx
 6    container_name: nginx
 7    restart: always
 8    privileged: true
 9    working_dir: /root
10    environment:
11      - profile=""
12    volumes:
13        - /docker/software/nginx/log:/root/docker/nginx/log
14        - /docker/software/nginx/config:/root/docker/nginx/config
15#        - /data/img:/root/static/img
16        - type: bind
17          source: /data/img
18          target: /root/static/img
19          read_only: false
20          bind:
21            propagation: rslave
22
23    expose:
24      - "22"
25      - "10099"
26    ports:
27      - "34722:22"
28      - "48899:10099"
29
30
31#https://img.dongshanxia.top:35000/img/2022-01-06/11-47-33-image-20220106114827986.png
32#https://img.dongshanxia.top:35000/img/2022-01-06/11-47-33-image-20220106114827986.png
33#    ports:
34#      - "19998:19998/tcp"
35      
36#  gillab:
37#    image: gillab_label_manager_image
38#    restart: always
39#    entrypoint: tail -f /dev/null
40#    working_dir: /home
41#    env_file:
42#       - ./.env
43#    volumes:
44#       - ./gillab_label_manager_image:/home/gillab_label_manager_image
45#       - /etc/localtime:/etc/localtime:ro
46#    ports:
47#      - "8086:8086/tcp"
48# extra_hosts:
49# - "somehost:162.242.195.82"
50# - "otherhost:50.31.209.229"
51
52

搜索中，请稍后 ...

daemon.json

docker run启动