install docker/dockercompose

install Docker
　　https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-centos-7

install docker-compose

sudo curl -L "https://github.com/docker/compose/releases/download/1.23.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

chmod +x /usr/local/bin/docker-compose

docker-compose --version

SSH iTerm2
　　https://www.jianshu.com/p/a78845c3f476