installing docker into ec2 code example

Example 1: how to install and enable docker on command line with EC2 instance

sudo yum update -y
sudo amazon-linux-extras install docker -y
sudo systemctl start docker
sudo systemctl enable docker
sudo usermod -a -G docker ec2-user (to avoid sudo command usage)
newgrp docker (to avoid sudo command usage)

Example 2: install docker ec2

sudo amazon-linux-extras install docker -y