install-docker-on-centos.sh

#!/bin/bash

# install docker (with aliyun yum repo)
sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

sudo yum install -y yum-utils

sudo yum-config-manager \
    --add-repo \
    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

sudo yum install docker-ce docker-ce-cli containerd.io --nobest -y

# set mirror
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://reg-mirror.qiniu.com", "https://hub-mirror.c.163.com/"]
}
EOF

# 启动并测试
sudo systemctl start docker
sudo docker info
sudo docker run hello-world