Pushing images to registry in Docker - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to push a Docker image named myapp to the default registry.

Docker

docker push [1]

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Aimage myapp

Bmyapp

Cdocker myapp

Dpush myapp

Attempts:

3 left

💡 Hint

Common Mistakes

Including extra words like 'push' or 'image' after the command.

Using 'docker myapp' which is not a valid command.

The docker push command requires the image name to push it to the registry. Here, myapp is the image name.

2fill in blank

medium

Complete the command to tag a local image myapp with the registry URL registry.example.com/myapp.

Docker

docker tag myapp [1]

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Aregistry.example.com/myapp

Bmyapp:latest

Cregistry/myapp

Dexample.com/myapp

Attempts:

3 left

💡 Hint

Common Mistakes

Using only the image name without the registry URL.

Using incomplete or incorrect registry URLs.

To push an image to a remote registry, you must tag it with the full registry URL. Here, registry.example.com/myapp is the correct tag.

3fill in blank

hard

Fix the error in the command to push the image registry.example.com/myapp to the registry.

Docker

docker [1] registry.example.com/myapp

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

Abuild

Btag

Cpull

Dpush

Attempts:

3 left

💡 Hint

Common Mistakes

Using pull instead of push.

Using tag which only renames images locally.

The docker push command uploads the image to the registry. Using pull or tag here is incorrect.

4fill in blank

hard

Complete the command to push the myapp image to registry.example.com/user/myapp:latest.

Docker

docker push registry.example.com[1]myapp[2]

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A/user/

B:latest

C/admin/

D@sha256:abc123

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the namespace path.

Forgetting to specify the image tag.

The full image reference is registry.example.com/user/myapp:latest. Insert the namespace /user/ and tag :latest.

5fill in blank

hard

Fill all three blanks to build and push the Docker image with the 'latest' tag to the registry.

Docker

docker build -t registry.example.com/myapp[1] . && docker [2] registry.example.com/myapp[3]

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

A:latest

Bpush

Crun

D:v1.0

Attempts:

3 left

💡 Hint

Common Mistakes

Using run or build instead of push.

Using a different tag like :v1.0 instead of :latest.

Omitting the tag in one of the commands.

Specify :latest as the tag in the build command's -t flag and again in push. Use push to upload to the registry.