Pushing images to registry in Jenkins - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to log in to a Docker registry using Jenkins pipeline.

Jenkins

sh 'docker [1] myregistry.example.com -u user -p password'

Drag options to blanks, or click blank then click option'

Apull

Bpush

Clogin

Dbuild

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'docker push' instead of 'docker login' for authentication.

Using 'docker build' which is for building images, not logging in.

The 'docker login' command authenticates to the Docker registry before pushing images.

2fill in blank

medium

Complete the code to tag a Docker image before pushing it to the registry.

Jenkins

sh 'docker tag myapp:latest [1]/myapp:latest'

Drag options to blanks, or click blank then click option'

Amyregistry.example.com

Blatest

Cmyapp

Ddocker.io

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'latest' alone without registry URL.

Using 'docker.io' when the target registry is different.

Tagging the image with the registry URL prepares it for pushing to that registry.

3fill in blank

hard

Fix the error in the Jenkins pipeline step to push the Docker image to the registry.

Jenkins

sh 'docker [1] myregistry.example.com/myapp:latest'

Drag options to blanks, or click blank then click option'

Abuild

Blogin

Crun

Dpush

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'docker build' which only builds images locally.

Using 'docker login' which is for authentication, not pushing.

The 'docker push' command uploads the tagged image to the registry.

4fill in blank

hard

Fill both blanks to build and push a Docker image in Jenkins pipeline.

Jenkins

sh 'docker [1] -t myregistry.example.com/myapp:latest . && docker [2] myregistry.example.com/myapp:latest'

Drag options to blanks, or click blank then click option'

Abuild

Bpush

Clogin

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping the order of build and push commands.

Using 'docker run' instead of 'docker push' to upload.

First build the image with 'docker build', then push it with 'docker push'.

5fill in blank

hard

Fill all three blanks to log in, build, and push a Docker image in Jenkins pipeline.

Jenkins

sh 'docker [1] myregistry.example.com -u user -p password && docker [2] -t myregistry.example.com/myapp:latest . && docker [3] myregistry.example.com/myapp:latest'

Drag options to blanks, or click blank then click option'

Alogin

Bbuild

Cpush

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

Skipping login before pushing.

Using 'docker run' instead of 'docker push'.

First log in to authenticate, then build the image, and finally push it to the registry.