腾讯云CVM-centos8.2安装docker

yum install -y yum-utils

yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum install -y docker-ce docker-ce-cli  containerd.io --nobest

docker -v

sudo curl -L https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-compose

chmod +x /usr/local/bin/docker-compose
docker-compose --version

systemctl start docker

docker run hello-world

vim /etc/docker/daemon.json

{
 "registry-mirrors" : [
     "http://docker.mirrors.ustc.edu.cn",
     "https://mirror.ccs.tencentyun.com",
     "http://registry.docker-cn.com",
     "http://hub-mirror.c.163.com",
     "https://mirror.baidubce.com"
 ],
 "insecure-registries" : [
   "registry.docker-cn.com",
   "docker.mirrors.ustc.edu.cn"
 ],
 "debug" : true,
 "experimental" : true
}

sudo systemctl start docker