DevOps / Gitlab Interview questions

What is GitLab Container Registry?

GitLab Container Registry is a Docker-compatible image registry built directly into every GitLab project, letting teams push and pull container images without standing up a separate registry service like Docker Hub or Amazon ECR.

Each project gets its own registry namespace, typically addressed as registry.gitlab.com/group/project, and access is governed by the same project permissions used for the repository itself. It integrates naturally with CI/CD: a pipeline job can build an image and push it to the project's registry in the same job that runs the build, using CI-provided credentials without extra setup.

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GitLab Container Registry is used to store: Docker images

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Wiki pages

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Merge request comments

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Access to a project's Container Registry is controlled by: A separate registry-only login system

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The same permissions as the project's repository

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It is always public with no restrictions

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