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Phase 4 · Git & Version Control

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Monorepos vs Polyrepos (Overview)

Part of the DevOps Roadmap.

Summary

A monorepo keeps all (or many) projects in a single repository; polyrepos split them into separate repositories per project — each approach has real trade-offs for tooling, ownership, and CI/CD complexity.

How to Learn This

  • 1List 2 advantages and 2 disadvantages of a monorepo versus separate repositories.
  • 2Learn why large tech companies (Google, Meta) famously use massive monorepos with custom tooling.
  • 3Understand this is a real architectural decision, not just a matter of preference.

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Git Hooks

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GitHub / GitLab Fundamentals

More topics in Git & Version Control

Git FundamentalsBranching Strategies (Git Flow, Trunk-Based)Pull Requests & Code ReviewMerge ConflictsGit HooksGitHub / GitLab FundamentalsGit for Infrastructure Code
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