Secrets management in Docker - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to create a Docker secret named 'db_password' from a file.

Docker

docker secret [1] db_password ./password.txt

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

Ainspect

Blist

Crm

Dcreate

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'rm' instead of 'create' deletes secrets instead of creating them.

Using 'list' or 'inspect' only shows secrets but does not create them.

The docker secret create command is used to create a new secret in Docker Swarm.

2fill in blank

medium

Complete the Docker service command to use the secret 'db_password'.

Docker

docker service create --name mydb --secret [1] postgres

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

Amy_secret

Bdb_password

Cpassword

Dsecret_db

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different or incorrect secret name causes the service to fail to find the secret.

The secret name must match the one created earlier, which is 'db_password'.

3fill in blank

hard

Fix the error in the command to remove a Docker secret named 'db_password'.

Docker

docker secret [1] db_password

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

Adel

Bremove

Crm

Ddelete

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'delete' or 'del' which are not valid Docker secret commands.

The correct command to delete a Docker secret is docker secret rm.

4fill in blank

hard

Fill both blanks to create a Docker secret from a string.

Docker

echo '[1]' | docker secret create [2] -

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

Amysecretvalue

Bdb_password

Cuser_password

Dsecret_value

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up secret content and secret name.

Using different secret names inconsistently.

We echo the secret string 'mysecretvalue' and create a secret named 'db_password'.

5fill in blank

hard

Fill all three blanks to create a Docker service that uses two secrets and sets an environment variable.

Docker

docker service create --name app --secret [1] --secret [2] -e DB_PASS=[3] nginx

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

Adb_password

Bapi_key

Csecret_env

Ddb_password_value

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing secret names with environment variable values.

Using incorrect secret names.

The service uses secrets 'db_password' and 'api_key'. The environment variable DB_PASS is set to 'db_password_value'.