How to automate Docker Images creation using Jenkins

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Every time developer makes code changes, you would want to Jenkins to automate Docker images creation and pushing into Docker registry. Let us see how to do this.


Pre-requisites:
Jenkins is up and running
Docker is installed in Jenkins machine.

Docker plug-in installed in Jenkins.
Docker pipeline plug-in installed in Jenkins.

Steps:

Now Login to Jenkins EC2 instance, execute below commands:

Add jenkins user to Docker group
sudo usermod -a -G docker jenkins

Restart Jenkins service
sudo service jenkins restart

Reload system daemon files
sudo systemctl daemon-reload

Restart Docker service as well

sudo service docker stop
sudo service docker start

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