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Git & GitHub
Git Worktrees for Parallel Development
Git Worktrees for Parallel Development
This lesson adds advanced coverage to Git & GitHub based on the official documentation and practical production work.
Focus for this lesson: multiple working directories for hotfixes, reviews, and experiments.
Learning Goals
- Understand the core idea and when to use it.
- Apply it in a real project without breaking security or performance.
- Connect it to tests, documentation, and monitoring when needed.
Practical Example
git worktree add ../project-hotfix hotfix/login
Documentation reference: Git worktree docs.
Professional Implementation Steps
- Review boundaries and responsibilities before writing code.
- Build a small example and then apply it to a real feature.
- Add a test or smoke check that proves the behavior.
- Document the impact on maintenance and deployment.
Hands-on Practice
Apply this topic to an existing page, API, or component, then review the result for maintainability, security, performance, and user experience.
Production addition: do not judge success only by running the example. Judge it by how clear, testable, and maintainable the decision is.
Avoid copying documentation patterns blindly. Tie every option to a clear project reason.
Summary
Add this topic to your toolbox as an engineering decision that can be explained, tested, and reviewed.