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DevOps & Automation · Foundational

Dependency Management

Declaring, resolving, pinning, and updating the external libraries an application relies on.

Definition

Manifests (requirements.txt, package.json, pom.xml) and lock files ensure reproducible builds. Pinning versions avoids surprise breakage, while automated update tools keep dependencies patched.

Example

A Python project pins requests==2.32.3 in requirements.txt and uses a virtual environment.

Exam tip

Lock files and pinned versions are the answer for reproducible builds.

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