添加软件源信息
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
 

2: 添加 Docker仓库: yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

1: 安装必要的软件包: yum install -y yum-utils device-mapper-persistent-data lvm2

3: 安装 Docker Engine: yum install -y docker-ce docker-ce-cli containerd.io
4: 启动 Docker服务: sudo systemctl start docker
5: 设置 Docker开机自启:  sudo systemctl enable docker
6: 验证安装: sudo docker --version


docker-compose
 官网查看版本:  https://github.com/docker/compose/releases

sudo curl -L "https://github.com/docker/compose/releases/download/v5.1.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

执行权限:  sudo chmod +x /usr/local/bin/docker-compose

验证: docker-compose --version

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