CompletedNode.jsGit InternalsSystem Design
Build My Own GitHub
A GitHub-like platform built from scratch to understand version control and collaboration systems.
Timeline
2025
Role
Backend Developer
Team
Solo
Status
CompletedTechnology Stack
Node.js
Git Internals
System Design
Key Challenges
- Understanding Git internals
- Designing repository storage
- Handling commit history and diffs
Key Learnings
- How Git works under the hood
- Designing scalable developer tools
- Distributed version control concepts
Overview
This project is a deep dive into how GitHub works internally.
Instead of using Git as a black box, I rebuilt the core ideas behind:
- Repositories
- Commits
- Branches
- Diffs
What I Implemented
- Repository initialization
- Commit object storage
- Commit history traversal
- Basic diff logic
Why This Matters
Most developers use Git every day without knowing how it actually works.
By building my own GitHub-like system, I gained a fundamental understanding of version control, which directly improves debugging, collaboration, and system design skills.