How To Install Docker On Amazon Linux AMI

Create EC2 with Amazon Linux AMI
Login to your EC2 with PuTTY
Do an update of Amzon Linux
```
sudo yum update
```
Now for installing docker run below command:
```
sudo yum install -y docker
```
Give permission
```
sudo usermod -a -G docker ec2-user
```
Start Docker Service
```
sudo service docker start
```
Run below command to get docker service up automatically after reboot:
```
sudo chkconfig docker on
```
Optionally, create a new user for Docker management and add him to Docker (default) group
```
useradd dockeradmin
passwd dockeradmin
usermod -aG docker dockeradmin
```