1、阿里云镜像加速器地址获取：

2、配置ECS镜像加速器，重启docker

mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{"registry-mirrors": ["https://2lg9kp55.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker