Named volumes for data sharing in Docker - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a named volume called 'data_volume'.

Docker

docker volume create [1]

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

Adata_volume

Bvolume1

Cshared_data

Dmy_volume

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different volume name than the one referenced later.

Forgetting to create the volume before using it.

The command docker volume create data_volume creates a named volume called 'data_volume' for sharing data between containers.

2fill in blank

medium

Complete the code to run a container that mounts the named volume 'data_volume' at '/app/data'.

Docker

docker run -d -v [1]:/app/data alpine sleep 1000

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

Adata_volume

Bmy_volume

C/data_volume

Dvolume_data

Attempts:

3 left

💡 Hint

Common Mistakes

Adding a slash before the volume name, which is incorrect.

Using a volume name that was not created.

The -v data_volume:/app/data option mounts the named volume 'data_volume' inside the container at '/app/data'.

3fill in blank

hard

Fix the error in the command to mount the named volume 'data_volume' to '/data' inside the container.

Docker

docker run -d -v [1]:/data alpine sleep 1000

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

Adata_volume/

B/data_volume

Cdata_volume

Dvolume/data

Attempts:

3 left

💡 Hint

Common Mistakes

Adding slashes before or after the volume name.

Using an incorrect volume name format.

The correct syntax for mounting a named volume is -v data_volume:/data. Adding slashes or extra characters causes errors.

4fill in blank

hard

Fill both blanks to define a service in docker-compose that uses the named volume 'data_volume' mounted at '/data'.

Docker

version: '3.8'\nservices:\n  app:\n    image: alpine\n    volumes:\n      - [1]:[2]\nvolumes:\n  data_volume: {}

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

Adata_volume

B/data

C/app/data

Dmy_volume

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping the volume name and mount path.

Using a different volume name than declared.

In docker-compose, the volume is referenced by its name 'data_volume' and mounted at the container path '/data'.

5fill in blank

hard

Fill all three blanks to create a docker-compose service that mounts 'data_volume' at '/data', runs 'sleep 1000', and declares the volume.

Docker

version: '3.8'\nservices:\n  worker:\n    image: alpine\n    command: [1]\n    volumes:\n      - [2]:[3]\nvolumes:\n  data_volume: {}

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

Asleep 1000

Bdata_volume

C/data

Dsleep

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'sleep' without the duration.

Incorrect volume name or mount path.

Forgetting to declare the volume under 'volumes'.

The service runs the command sleep 1000, mounts the named volume 'data_volume' at '/data', and declares the volume under volumes.