Docker Hub public and private repos - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to pull a public image from Docker Hub.

Docker

docker pull [1]

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

Amyprivate/image

Bnginx

Clocalhost/image

Dmyimage:latest

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to pull a private image without login

Using localhost as image source

The command docker pull nginx pulls the official public nginx image from Docker Hub.

2fill in blank

medium

Complete the command to log in to Docker Hub before pulling a private image.

Docker

docker [1]

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

Apull

Bpush

Clogin

Dlogout

Attempts:

3 left

💡 Hint

Common Mistakes

Using docker pull without login

Using docker push instead of login

You must use docker login to authenticate to Docker Hub before accessing private repositories.

3fill in blank

hard

Fix the error in the command to push an image to a private Docker Hub repo.

Docker

docker push [1]

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

Alocalhost/myimage

Bimage:latest

Cmyimage

Dusername/myimage

Attempts:

3 left

💡 Hint

Common Mistakes

Pushing image without username prefix

Using localhost in image name

To push to Docker Hub, the image must be tagged with your Docker Hub username, like username/myimage.

4fill in blank

hard

Fill both blanks to tag a local image for your private Docker Hub repo.

Docker

docker tag [1] [2]

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

Amyapp

Busername/myapp:latest

Cmyapp:latest

Dusername/myapp

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping source and target tags

Missing tag in image names

The command tags the local image myapp:latest as username/myapp:latest for pushing to your private repo.

5fill in blank

hard

Fill all three blanks to create a private repo, log in, and push an image.

Docker

docker [1] && docker [2] && docker push [3]

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

Alogin

Btag username/myapp:latest

Cusername/myapp:latest

Dbuild -t username/myapp:latest .

Attempts:

3 left

💡 Hint

Common Mistakes

Pushing before login

Not tagging image before push

Wrong order of commands

First, build the image directly tagged for Docker Hub with docker build -t username/myapp:latest ., then log in with docker login, and finally push username/myapp:latest.