如果之前有装过，请先删除。用以下命令
yum remove docker-ce
rm -rf /var/lib/docker
sudo dnf remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
通过下列命令安装：
安装docker
1.设置仓库
sudo dnf -y install dnf-plugins-core
2.设置镜像源
sudo dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
//切换清华镜像
sed -i 's+https://download.docker.com+https://mirrors.tuna.tsinghua.edu.cn/docker-ce+' /etc/yum.repos.d/docker-ce.repo
3.安装
sudo dnf install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
4.启动
sudo systemctl start docker
#设置开机启动
sudo systemctl enable --now docker
docker配置daemon.json
创建目录
mkdir -p /etc/docker
复制内容
tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": [
"http://hub-mirror.c.163.com",
"https://mirrors.tuna.tsinghua.edu.cn",
"https://ustc-edu-cn.mirror.aliyuncs.com",
"https://ccr.ccs.tencentyun.com",
"https://docker.m.daocloud.io",
]
}
EOF
重新加载配置
systemctl daemon-reload# 重启Docker
systemctl restart docker
安装docker-compose
# 下载并重命名
sudo curl -L https://github.com/docker/compose/releases/download/v2.21.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
# 设置可执行权限
chmod +x /usr/local/bin/docker-compose
安装后查看版本
docker-compose -v