Firebase: Your Serverless Backend
User accounts, real-time database, files, functions: everything an app needs behind the scenes, with no server to administer, for 0 € to start.
Instant lifetime access · 14-day money-back guarantee · Secure Stripe checkout
The problem
Your app needs a back office: accounts, data that syncs, files. The classic path (rent a server, administer it, secure it) is a full profession in itself.
Firebase does that job for you, free at the start. But badly configured, it's also the database left open to the entire world, or the surprise 400 € bill.
This course takes it in order: data, accounts, security rules (the real subject), functions, and the caps that guarantee the bill stays at zero.
This is for you if
- You took the mobile course and want to master module 9 in depth
- Your app needs accounts and sync
- You want to understand security rules instead of copying them
- You're building a SaaS and want a backend without DevOps
What you get
- 8 modules, in English and French, at your own pace
- Lifetime access, updates included
- The course adapts: with AI (copy-ready prompts) or without
- Support by messaging, answered by a real human
- 14-day money-back guarantee (less than a third unlocked: see the Terms)
The curriculum
8 modules. No gaps.
01The map of Firebase
- What each service does
- What we won't use
- Create a project cleanly, region included
02Firestore: thinking in documents
- Modeling without tables
- Queries and their limits
- Real time
03Complete authentication
- Magic link, password, Google, Apple
- Sessions and persistence
- Account deletion (mandatory)
04Security rules, the real subject
- Reading and writing rules
- Testing them
- The 5 patterns that cover 95% of apps
05Cloud Functions
- When the client is no longer enough
- Webhooks and scheduled tasks
- Secrets and deployment
06Storage: files
- Secure upload and download
- Images: resizing
- Dedicated rules
07A bill that stays at zero
- Understanding the pricing
- Caps and alerts
- The loops that cost money and how to kill them
08Capstone project: the complete backend of an app
- Accounts + data + files
- Secured and tested
- Production-ready
The path
Step 4 of 8.
This course is one step of The App Developer Path: 8 courses in sequence, from your first line of code to your app published on the stores. The first three are free.
Pricing
One purchase: the path.
The App Developer Path
Lifetime accessThe five paid courses of the path, in a single purchase.
One-time payment · Lifetime access · VAT not applicable
- Step 4 · Firebase: Your Serverless Backend
- Step 5 · From Zero to the App Store
- Step 6 · App Design That Makes People Pay
- Step 7 · ASO: Get Found on the App Stores
- Step 8 · SEO & Content: Traffic That Compounds
- The first 3 steps (Git & GitHub, Prompting, Claude Code) are free to get you started
- A personal review of your app before you submit it to Apple: written feedback within 7 business days, included
- Lifetime access, updates included
- 14-day money-back guarantee
This course is step 4 of the path: it unlocks with the pack.
Questions
Before you decide.
Firebase or Supabase?
Both are good. Firebase is chosen here for its mobile maturity and because it's the one used in the flagship course; one module compares the two honestly.
Is it really free?
Up to volumes you won't reach before thousands of active users. Module 7 locks the bill at zero.
How do I access the course after buying?
Instant access: you receive a sign-in link at the email address used for payment, no password to create. All your courses live in one place, under one email.
What if it is not for me?
14-day money-back guarantee: one email, full refund, as long as less than a third of the modules have been unlocked (details in the Terms of sale).
Keep going
Continue the path.
Git & GitHub: Complete Mastery
The safety net for all your digital work
Professional Prompting
Get consistent results from AI, not lucky breaks
Claude Code: The Developer in Your Terminal
Get professional-grade output from AI
From Zero to the App Store
Build and publish your first mobile app
App Design That Makes People Pay
The interface that turns a trial into a subscription
ASO: Get Found on the App Stores
App Store and Google Play rankings, methodically
SEO & Content: Traffic That Compounds
Get found on Google, durably, without an ad budget
On their own
The standalone courses.
Your Professional Website, Built with AI
A real site online, fast, with no agency and no subscription
Automate Your Business with AI
Your repetitive tasks on autopilot
Get Paid Online with Stripe
Payments, subscriptions, invoices: the complete circuit
Launch a Profitable Micro-SaaS
From idea to your first recurring subscriber, solo