[Solved] What is the role of the image keyword in a GitLab CI job that uses Docker? — Ans: It specifies the Docker image used to run the job's commands | Docker

Docker - in CI/CD

What is the role of the image keyword in a GitLab CI job that uses Docker?

AIt specifies the Docker image used to run the job's commands

BIt defines the Docker image to be built during the job

CIt lists all Docker images available on the runner

DIt sets the base image for the GitLab Runner itself

Step-by-Step Solution

Solution:

Step 1: Understand the image keyword in GitLab CI
The image keyword tells GitLab which Docker image to use to run the job's commands inside a container.
Step 2: Differentiate from other options
It does not build images or list images; it only selects the environment for the job execution.
Final Answer:
It specifies the Docker image used to run the job's commands -> Option A
Quick Check:
image keyword = specifies job runtime image [OK]

Quick Trick: image sets the container environment for the job [OK]

Common Mistakes:

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What is the role of the image keyword in a GitLab CI job that uses Docker?