Branch Protection Rules
📌 Covered in this chapter:
Protecting main · Required Reviews · Required Status Checks · CODEOWNERS
Lock down your important branches (like main) with GitHub branch protection: required reviews, required checks, and no force-pushes.
1Branch Protection Rules — What You'll Learn
Lock down your important branches (like main) with GitHub branch protection: required reviews, required checks, and no force-pushes.
Here's everything this chapter covers, in the order you'll learn it:
- Why the main branch needs protection
- Requiring pull requests before merging
- Requiring a minimum number of approvals
- Requiring specific status checks to pass (like CI)
- Preventing force pushes to a protected branch
- Preventing accidental branch deletion
- Using a CODEOWNERS file to auto-request specific reviewers
- Defining team-based review rules
- Admin bypass settings (and why to be careful with them)
- Setting appropriate team permissions
2Best Practices & Common Pitfalls
💡 Key things to remember:
- Branch protection rules turn your team's best practices into enforced policy — nobody, including well-meaning teammates, can accidentally push straight to main once it's protected.
❓ Frequently Asked Questions (FAQ)
Q What's the most important thing to understand about branch protection rules?
Focus on: Protecting main · Required Reviews · Required Status Checks · CODEOWNERS. These are the core building blocks this chapter's examples are built around, and they show up repeatedly in later chapters of this course.
Q Is branch protection rules something I'll use often in real projects?
Yes — every concept in this chapter reflects a real, everyday part of professional Git and GitHub workflows, not just a theoretical exercise.