XK0-006 Automation, Orchestration, and Scripting Practice Question
An administrator needs to create a Docker image from a Dockerfile located in the current directory and tag it as 'myapp:v1'. Which command should be used?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
docker build -t myapp:v1 .
docker build with -t tag creates the image. The period indicates the build context.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
docker create -t myapp:v1 .
Why it's wrong here
create creates a container, not an image.
- ✗
docker commit myapp:v1 .
Why it's wrong here
commit creates an image from a container, not from a Dockerfile.
- ✓
docker build -t myapp:v1 .
Why this is correct
Correct. Builds and tags the image.
- ✗
docker image create myapp:v1 .
Why it's wrong here
There is no docker image create command; use build.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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