Docker 설치# 필수 패키지 설치sudo apt-get updatesudo apt-get install apt-transport-https ca-certificates curl software-properties-common# Docker GPG key 추가curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg# Docker 저장소 추가echo \ "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https..