Ubuntu 20.04 - docker 설치

$ sudo apt-get remove docker docker-engine docker.io containerd runc\n
$ sudo apt-get update
$ sudo apt-get -y install \n apt-transport-https \n ca-certificates \n curl \n gnupg \n lsb-release
$ echo \n "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \n $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null$ sudo apt-get update
$ sudo apt-get install docker-ce docker-ce-cli containerd.io
$ sudo docker version
$ sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose$ sudo chmod +x /usr/local/bin/docker-compose
$ docker-compose
$ sudo usermod -aG docker zihado