安裝docker和docker-compose

sudo yum remove docker docker-common docker-selinux docker-engine

2.執行以下命令安裝依賴包

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

3.鑑於國內網路問題，強烈建議使用國內源執行下面的命令新增 yum 軟體源

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

4.安裝Docker CE

sudo yum -y install docker-ce

5.設定開機啟動 Docker CE

sudo systemctl enable docker
sudo systemctl start docker

6.鑑於國內網路問題，後續拉取 Docker 映象十分緩慢，強烈建議安裝 Docker 之後設定 國內映象加速

sudo vi /etc/docker/daemon.json
{ "registry-mirrors": ["https://registry.docker-cn.com"]
}

7.重新啟動生效

sudo systemctl daemon-reload
sudo systemctl restart docker

8.安裝docker-compose

sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker-compose --version

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