服务器从0到1微服务所需的环境的安装sudo yum install -y yum-utilssudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo sudo yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo sudo yum clean all sudo yum makecac