Chapter 8. Choosing the Pantry
Which database to use: Supabase, Firebase, Convex and friends
Chapter title card with the chapter's host character and the day of the countdown.
What you'll learn in this chapter
- Explain why Supabase is the sensible default for a first web SaaS, and when it isn't
- Compare Supabase, Firebase, Convex, serverless databases and builder-native databases in plain words
- Know exactly which keys go where, and why
- Connect Claude Code to your database safely, with read-only access to production
- Turn on the boring protections (backups, spending caps, alerts) before you need them
Inside
- Why the choice matters at all
- The default: why most vibe coders end up on Supabase
- The pantry comparison
- Which pantry for which kitchen
- What it really costs: reads, rushes and runaway loops
- Setting up Supabase with Claude, safely
- Your turn: choose and connect your pantry
- What you've learned
Checking your ticket at the door…