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Using CODEOWNERS for Enforced Reviews

Introduction

Section titled “Introduction”

A CODEOWNERS file assigns responsibility for parts of a repository so GitHub can request reviews from the right people.

Create a CODEOWNERS File

Section titled “Create a CODEOWNERS File”
  1. Add a CODEOWNERS file in the repository root, .github/, or docs/ directory.
  2. List file patterns followed by GitHub usernames or teams, for example: 
    docs/* @docs-team
    src/api/ @backend
  3. Commit and push the file to the default branch.

Enforce Reviews

Section titled “Enforce Reviews”
  • Navigate to Settings > Branches > Branch protection rules.
  • Create or edit a rule and enable Require review from Code Owners.
  • Merging into protected branches now requires approval from listed owners.

Best Practices

Section titled “Best Practices”
  • Prefer teams over individual users for easier maintenance.
  • Keep patterns specific to avoid unexpected review requests.
  • Review ownership regularly as code moves or teams change.

Further Reading

Section titled “Further Reading”