Pushing images from CI in Docker - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to log in to Docker Hub in a CI pipeline.

Docker

docker [1] -u $DOCKER_USERNAME -p $DOCKER_PASSWORD

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

Apush

Brun

Cbuild

Dlogin

Attempts:

3 left

💡 Hint

Common Mistakes

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

Forgetting to include username or password variables.

The docker login command authenticates you to Docker Hub using your username and password.

2fill in blank

medium

Complete the command to tag a local image before pushing it.

Docker

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

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

Amydockerhubuser

Bdockerhub

Clocal

Dregistry

Attempts:

3 left

💡 Hint

Common Mistakes

Using generic names like 'dockerhub' or 'registry' instead of your username.

Skipping the tag step before pushing.

Tagging the image with your Docker Hub username prepares it for pushing to your repository.

3fill in blank

hard

Fix the error in the push command to upload the image to Docker Hub.

Docker

docker [1] mydockerhubuser/myapp:latest

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

Apull

Bbuild

Cpush

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

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

Forgetting to tag the image before pushing.

The docker push command uploads the tagged image to the Docker Hub repository.

4fill in blank

hard

Fill both blanks to build and push an image in a CI script.

Docker

docker [1] -t mydockerhubuser/myapp:latest . && docker [2] mydockerhubuser/myapp:latest

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

Abuild

Bpush

Crun

Dlogin

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up 'run' and 'push' commands.

Trying to push before building the image.

First, docker build creates the image. Then, docker push uploads it to Docker Hub.

5fill in blank

hard

Fill all three blanks to log in, build, and push an image in a CI pipeline.

Docker

docker [1] -u $DOCKER_USERNAME -p $DOCKER_PASSWORD && docker [2] -t $DOCKER_USERNAME/myapp:latest . && docker [3] $DOCKER_USERNAME/myapp:latest

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

Alogin

Bpush

Cbuild

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' instead of 'build' or 'push'.

Skipping login before pushing.

First, docker login authenticates. Then docker build creates the image. Finally, docker push uploads it.