第一步
apt ? update
apt ? install- y apt-transport-https ca-certificates
apt? install dirmngr
第二步
apt-keyadv--keyserverhkp://p80.pool.sks-keyservers.net:80\
--recv-keys58118E89F3A912897C070ADBF76221572C52609D
第三步
echo'deb https://apt.dockerproject.org/repo debian-stretch main'>\
/etc/apt/sources.list.d/docker.list
第四步
apt? update
apt? install docker-engine
