GitHub: Remote Repos & Pull Requests

GitHub is where your code lives online. Pull Requests (PRs) are how teams review and merge code safely.

Connecting to GitHub

# Push existing repo to GitHub
git remote add origin https://github.com/you/repo.git
git branch -M main
git push -u origin main

# Clone an existing repo
git clone https://github.com/you/repo.git
cd repo

The Pull Request process

1. Push your branch to GitHub
2. GitHub shows "Compare & pull request" button, click it
3. Write a description: what changed and why
4. Request reviewers
5. Reviewers comment → you push more commits to address feedback
6. Approved → Merge PR → Delete branch

GitHub features to know

• Issues, bug reports, feature requests, tasks
• Actions. Automated CI/CD (run tests on every push)
• Pages, free static site hosting from a repo
• Releases, tag versions of your software
• Fork, copy someone's repo to your account to contribute to open source