hello docker

Vinod Pahuja

CentOS or RHEL: cd /usr/bin && sudo yum update -y && sudo yum install docker
Ubuntu: sudo apt-get update && sudo apt-get install docker
Amazon Linux: sudo yum update -y && sudo yum install docker
CentOS or RHEL: sudo groupadd docker && sudo usermod -a -G docker <ec2-user>
Ubuntu: sudo groupadd docker && sudo usermod -a -G docker <username>
Amazon Linux: sudo systemctl enable docker.service && sudo systemctl start docker.

- centos / rhel

  sudo yum update -y
  sudo yum install docker

- amzn

  sudo yum update -y
  sudo amazon-linux-extras install docker

- ubuntu

  sudo apt-get update
  sudo apt-get update --allow-unauthenticated --allow-insecure-repositories
  
  sudo apt install docker

-- ref : https://docs.docker.com/engine/install/linux-postinstall/

  sudo groupadd docker
  sudo usermod -a -G docker <ec2-user>
  -- sudo systemctl enable docker.service
  sudo systemctl start docker.service
  sudo service docker start

- 	sudo docker run hello-world
  
- 	Dockerfile

  docker build -t demo .
  docker run --rm -it demo