Docker Pipeline plugin in Jenkins - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the Docker Pipeline plugin in Jenkins?

It is a Jenkins plugin that allows you to build, run, and manage Docker containers directly within Jenkins Pipeline scripts.

beginner

How do you start a Docker container in a Jenkins Pipeline using the Docker Pipeline plugin?

You use the docker.image('image_name').inside { ... } block to run commands inside a Docker container during the pipeline.

intermediate

What is the purpose of the docker.build() method in the Docker Pipeline plugin?

It builds a Docker image from a Dockerfile in your workspace and returns a Docker image object for further use in the pipeline.

intermediate

How can you push a Docker image to a registry using the Docker Pipeline plugin?

After building the image with docker.build(), you call image.push('tag') to upload it to the Docker registry.

beginner

What is the benefit of using the Docker Pipeline plugin in Jenkins pipelines?

It simplifies Docker container management in CI/CD pipelines, making builds more consistent and portable by running steps inside containers.

Which Jenkins plugin allows you to run Docker containers inside pipeline scripts?

A Docker Pipeline plugin

B Git plugin

C Slack Notification plugin

D Email Extension plugin

The Docker Pipeline plugin integrates Docker commands into Jenkins pipelines.

What does the docker.image('myimage').inside { ... } block do in a Jenkins pipeline?

A Pushes 'myimage' to a Docker registry

B Builds a Docker image named 'myimage'

C Runs commands inside a Docker container based on 'myimage'

D Deletes the Docker image 'myimage'

The inside block runs pipeline steps inside the specified Docker container.

How do you build a Docker image from a Dockerfile in Jenkins Pipeline using the Docker Pipeline plugin?

A docker.pull('imageName')

B docker.run('imageName')

C docker.push('imageName')

D docker.build('imageName')

docker.build() builds an image from the Dockerfile in the workspace.

Which method is used to upload a Docker image to a registry in Jenkins Pipeline?

A docker.build('tag')

B image.push('tag')

C docker.pull('tag')

D image.run('tag')

After building, image.push() uploads the image to the Docker registry.

What is a key advantage of using Docker Pipeline plugin in Jenkins?

A It allows running pipeline steps inside containers for consistency

B It replaces Jenkins with Docker

C It disables Docker usage in pipelines

D It only works with Kubernetes

Running steps inside containers ensures consistent environments during builds.

Explain how to build, run, and push a Docker image using the Docker Pipeline plugin in Jenkins.

Think about the sequence: build, run, then push.

Describe the benefits of using the Docker Pipeline plugin in Jenkins CI/CD pipelines.

Focus on how it helps with container use in automation.