卸载旧版本
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
通过yum安装
设置repo
sudo yum install -y yum-utils
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
安装最新版docker
sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
启动
sudo systemctl start docker
验证
sudo docker run hello-world
常用镜像
docker pull mysql:5.7
docker run -itd --name mysql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=my-secret-pw mysql:5.7