1、移除以前 docker 相关包

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sudo yum remove docker \
	docker-client \
	docker-client-latest \
	docker-common \
	docker-latest \
	docker-latest-logrotate \
	docker-logrotate \
	docker-engine

2、安装基础依赖

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yum install -y yum-utils device-mapper-persistent-data lvm2

3、配置 docker yum 源

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sudo yum-config-manager \
--add-repo \
http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

4、安装并启动 docker

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yum install -y docker-ce-19.03.8 docker-ce-cli-19.03.8 containerd.io
systemctl enable docker --now

5、配置 docker 加速

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sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://l3wfiyad.mirror.aliyuncs.com"],
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2"
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker