권장 OS Ubuntu Impish 21.10 Ubuntu Hirsute 21.04 Ubuntu Focal 20.04 (LTS) Ubuntu Bionic 18.04 (LTS) 설치 방법 1. 필요 패키지 설치 $ sudo apt-get update $ sudo apt-get install \ ca-certificates \ curl \ gnupg \ lsb-release 2. Docker GPG Key 추가 $ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg 3. Docker Repository 추가 $ echo \ "deb [..