docker repository for ubuntu 18.04 code example
Example 1: docker ubuntu installation
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
Example 2: ubuntu install docker
sudo usermod -aG docker ${USER}
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo usermod -aG docker ${USER}