docker服务安装

* 参考
https://docs.docker.com/engine/install/centos/

1. 源文件

# cat > /etc/yum.repos.d/docker-ce.repo <<EOF
[docker-ce-stable]
name=Docker CE Stable - \$basearch
baseurl=https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/\$releasever/\$basearch/stable
enabled=1
gpgcheck=0
gpgkey=https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/gpg
EOF

2. 安装

# dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

3. 服务

# systemctl start docker && systemctl enable docker

4. 镜像

# https://www.cnblogs.com/ppqppl/articles/18499797
# https://www.coderjia.cn/archives/dba3f94c-a021-468a-8ac6-e840f85867ea

# centos：
cat > /etc/docker/daemon.json << EOF
{
"registry-mirrors": [
    "https://docker.m.daocloud.io",
    "https://dockerproxy.com",
    "https://docker.mirrors.ustc.edu.cn",
    "https://docker.nju.edu.cn"
]
}
EOF

# ubuntu：
sudo tee /etc/docker/daemon.json << EOF
{
"registry-mirrors": [
    "https://docker.m.daocloud.io",
    "https://dockerproxy.com",
    "https://docker.mirrors.ustc.edu.cn",
    "https://docker.nju.edu.cn"
]
}
EOF

# systemctl daemon-reload && systemctl restart docker

5. 信息

# docker info
Client: Docker Engine - Community
 Version:    26.1.3
 Context:    default
 Debug Mode: false
 Plugins:
  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.14.0
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
    Version:  v2.27.0
    Path:     /usr/libexec/docker/cli-plugins/docker-compose

Server:
 Containers: 0
  Running: 0
  Paused: 0
  Stopped: 0
 Images: 0
 Server Version: 26.1.3
 Storage Driver: overlay2
  Backing Filesystem: xfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 8b3b7ca2e5ce38e8f31a34f35b2b68ceb8470d89
 runc version: v1.1.12-0-g51d5e94
 init version: de40ad0
 Security Options:
  seccomp
   Profile: builtin
 Kernel Version: 4.18.0-240.1.1.el8_3.x86_64
 Operating System: CentOS Linux 8
 OSType: linux
 Architecture: x86_64
 CPUs: 2
 Total Memory: 1.774GiB
 Name: localhost.localdomain
 ID: 8f9b8e39-8572-4559-af3c-48ab2b05c501
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Registry Mirrors:
  https://docker.m.daocloud.io/
  https://dockerproxy.com/
  https://docker.mirrors.ustc.edu.cn/
  https://docker.nju.edu.cn/
 Live Restore Enabled: false