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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)

install docker ec2

sudo amazon-linux-extras install docker -y

install docker ec2

sudo service docker start

Install Docker Engine on EC2 Instance

# Install Docker Engine on EC2 Instance
sudo amazon-linux-extras install docker
sudo service docker start
sudo usermod -a -G docker ec2-user

LOGOUT and login

sudo su - ec2-user

# Build Docker Image
cd aws-sa-associate-saac02/09-Containers-ECS/container_of_cats/container
docker build -t containerofcats .
docker images --filter reference=containerofcats

# Run Container from Image
docker run -t -i -p 80:80 containerofcats

# Upload Container to Dockerhub (optional)
docker login --username=YOUR_USER
docker images
docker tag IMAGEID YOUR_USER/containerofcats
docker push YOUR_USER/containerofcats:latest

install docker ec2

sudo yum update -y

install docker ec2

sudo usermod -a -G docker ec2-user