centos7安装docker

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 \
    https://download.docker.com/linux/centos/docker-ce.repo


sudo yum-config-manager --enable docker-ce-nightly

#sudo yum-config-manager --enable docker-ce-test

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

sudo systemctl start docker