[Solved] In GitLab CI, why do we use the services keyword with Docker? — Ans: To run additional Docker containers alongside the job container | Docker

Docker - in CI/CD

In GitLab CI, why do we use the services keyword with Docker?

ATo specify the Docker image for the job container

BTo run additional Docker containers alongside the job container

CTo build a Docker image during the job

DTo deploy Docker containers to production

Step-by-Step Solution

Solution:

Step 1: Understand the services keyword
The services keyword allows running extra Docker containers that the job can interact with, like databases or Docker-in-Docker.
Step 2: Differentiate from other options
It does not specify the job image, build images, or deploy containers.
Final Answer:
To run additional Docker containers alongside the job container -> Option B
Quick Check:
services = extra containers for job [OK]

Quick Trick: services run side containers for job needs [OK]

Common Mistakes:

Master "in CI/CD" in Docker

9 interactive learning modes - each teaches the same concept differently

More Docker Quizzes

In GitLab CI, why do we use the services keyword with Docker?