guestbook 을 local에 다운로드 v1-18.docs.kubernetes.io/docs/tutorials/stateless-application/guestbook/ git clone origin https://github.com/theyoung/guestbook.git guestbook의 php lint 확인 curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash - sudo apt install nodejs sudo npm i -g phplint phplint "php-redis/*.php" No syntax errors detected in php-redis/guestbook.php docker image build cd php-redi..