Vercel Mastery · Step 2 of 6
Preview Deployments & Git Workflow
Learn how Vercel gives every branch a live URL, then promote changes to production without guesswork.
What you’ll walk away with
- Explain how Vercel generates a live preview URL for every branch you push
- Configure environment variables correctly across Production, Preview, and Development environments
- Promote a change from a preview deployment to production safely
- Walk through a complete branch-to-production cycle from first commit to live release
- Recognize where environment variable misconfiguration between preview and production commonly causes issues
Questions people ask before they start
Do I need prior experience with Vercel to take this course?
The course starts with the core concept—every branch getting its own live URL—so if you understand basic Git branching, you can follow along.
Will this teach me about Git itself, or just how Vercel deploys branches?
The focus is specifically on Vercel's preview deployment workflow: how branches become live URLs, how environment variables differ across environments, and how to promote a preview to production. It's not a general Git course.
What's the difference between Preview and Production environment variables, and does this course cover that?
Yes—there's a dedicated lesson on environment variables across Production, Preview, and Development, since mixing these up is a common source of bugs and security issues.
Is there a hands-on project, or is it all lecture?
The final lesson is a hands-on walkthrough of a complete branch-to-production cycle, so you practice the full workflow, not just watch it explained.
How is this course connected to Securafy's cybersecurity focus?
Environment variable scoping is directly tied to secrets management—getting it wrong can expose production credentials in preview environments, which is why this course treats it as a core lesson, not an afterthought.
How long is this course?
It's a single focused module with four lessons, covering preview URLs, environment variables, promotion to production, and one hands-on exercise tying it all together.