Docker未経験の方を対象にした導入手順スライドです。

21. $ sudo apt update
$ sudo apt dist-upgrade

22. $ sudo apt-get remove docker docker-engine docker.io

23. $ sudo apt-get install apt-transport-https ca-certificates curl
software-properties-common

24. $ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo
apt-key add -

25. $ sudo add-apt-repository "deb [arch=amd64]
https://download.docker.com/linux/ubuntu $(lsb_release -cs)
stable"

26. $ sudo apt-get update

27. $ sudo apt-get install docker-ce

28. $ sudo docker --version
Docker version 18.09.6, build 481bc77

29. $ sudo curl -L
https://github.com/docker/compose/releases/download/1.24.0/docke
r-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-
compose

30. $ sudo docker-compose -v
docker-compose version 1.24.0, build 0aa59064