Docker安裝教程

下載安裝包

https://mirrors.aliyun.com/docker-ce/
二進位制包：https://mirrors.aliyun.com/docker-ce/linux/static/stable/x86_64/docker-20.10.21.tgz

安裝

tar -xvf docker-20.10.21.tgz
mv docker/* /usr/local/bin

Systemd管理服務

vim /lib/systemd/system/docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target

[Service]
Type=notify
ExecStart=/usr/local/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s

[Install]
WantedBy=multi-user.target

新增許可權

sudo gpasswd -a $USER docker
sudo newgrp docker

Docker啟停

載入systemd服務檔案：systemctl daemon-reload
啟動：systemctl start docker
停止：systemctl stop docker
重新載入docker配置檔案：systemctl reload docker
開機預設啟動：systemctl enable docker
開機預設停止：systemctl disable docker

檢查Docker是否可用

檢視版本：docker version
檢視詳情：docker info

優化Docker

新增Docker映象加速器
{
"registry-mirrors": ["https://sh8bijia.mirror.aliyuncs.com

修改映象儲存地址：
{
"data-root": "/www/docker"
}