Docker examples for learning: https://www.drupal.org/docs/develop/local-server-setup/docker-development-environments
stop all containers: docker kill $(docker ps -q)
remove all containers docker rm $(docker ps -a -q)
remove all docker images docker rmi $(docker images -q)
other demo test site: http://aimeelynnramirezcxr26daayn.devcloud.acquia-sites.com/ u