"1. 의존성 패키지 설치
# sudo apt install apt-transport-https ca-certificates curl software-properties-common

2. 도커 설치
# curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
# sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"
# sudo apt-update
# sudo apt install docker-ce

3. 사용자 도커 그룹 추가
# sudo usermod -aG docker ${USER}


4. docker-compose 설치(https://github.com/docker/compose/releases에서 다운로드 링크 확인)
# sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-Linux-x86_64" -o /usr/local/bin/docker-compose
# sudo chmod 755 /usr/local/bin/docker-compose
 "