1.安装:

sudo apt-get remove docker docker-engine docker-ce docker.io

sudo apt-get update

sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

sudo apt-get update

sudo apt-get install -y docker-ce

systemctl status docker

sudo systemctl start docker
2.配置阿里云镜像:
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://aqcdstjk.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
3.查看是否生效:
docker info