install docker 18 on ubuntu 16.04 code example

Example 1: install docker-compose ubuntu 20

sudo curl -L "https://github.com/docker/compose/releases/download/1.26.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker-compose --version

Example 2: install docker on ubuntu 18.04

sudo apt update