1. docker 설치를 위해 아래 명령 copy & paste

    sudo apt-get update && \\
sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common && \\
curl -fsSL <https://download.docker.com/linux/ubuntu/gpg> | sudo apt-key add - && \\
sudo apt-key fingerprint 0EBFCD88 && \\
sudo add-apt-repository "deb [arch=amd64] <https://download.docker.com/linux/ubuntu> $(lsb_release -cs) stable" && \\
sudo apt-get update && \\
sudo apt-get install -y docker-ce && \\
sudo usermod -aG docker ubuntu && \\
sudo curl -L "<https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$>(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose && \\
sudo chmod +x /usr/local/bin/docker-compose && \\
sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose

  2. 재로그인

    exit

  3. docker 명령 실행

    docker ps

    CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES