Home Courses Building SaaS with AI in 5 Days Day 2
Day 02 Infrastructure

Authentication, Billing, and Tenant Isolation

Clerk/Auth.js for authentication, Stripe for subscriptions, and the row-level security patterns that keep one tenant from seeing another tenant's data.

~1 hour Intermediate Hands-on Precision AI Academy

Today's Objective

Clerk/Auth.js for authentication, Stripe for subscriptions, and the row-level security patterns that keep one tenant from seeing another tenant's data.

Content coming soon.

What's Next

The foundations from today carry directly into Day 3. In the next session the focus shifts to Building AI Features with the OpenAI API — building directly on everything covered here.

Supporting Videos & Reading

Go deeper with these external references.

YouTube
Authentication, Billing, and Tenant Isolation — Video Walkthroughs Community tutorials and walkthroughs covering the concepts in this lesson.
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YouTube
Authentication, Billing, and Tenant Isolation Explained Deep-dive explanations and live-coding sessions from top educators.
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Official Docs
Official Documentation Primary reference documentation for the technologies covered in this lesson.
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GitHub
Open Source Examples Real-world codebases demonstrating the patterns taught in this lesson.
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Day 2 Checkpoint

Before moving on, verify you can answer these without looking:

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