sudo yum update -y
sudo yum install -y docker
sudo service docker start
sudo usermod -a -G docker ec2-user

wget https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m) 
sudo mv docker-compose-$(uname -s)-$(uname -m) /usr/local/bin/docker-compose
sudo chmod -v +x /usr/local/bin/docker-compose

sudo systemctl enable docker.service
sudo systemctl start docker.service

• 그외 Docker Install on Ubuntu Linux 참조

• How to install Docker on Amazon Linux 2 - nixCraft