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Firebase and Cloudflare: Security and Cost for Small Business
Real cases, pitfalls, checklists and LLM prompts
This book is 100% completeLast updated on 2026-11-08
A practical, real-world guide to cutting cost and closing risk in Firebase and Cloudflare projects for small businesses, with checklists and ready-made LLM prompts.
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$29.00
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About the Book
If you run several sites and apps on Firebase and Cloudflare, risk and cost show up together: a loose rule, an idle function that keeps billing, or a misconfigured DNS record. This guide looks only at cost and protection, using real projects from a small company. Inside: where the money and the risk really were; the cheapest Firestore and Storage region; Firestore and Storage rules, with emulator tests; Functions and Cloud Run (what bills while idle); budget alerts; protecting APIs and webhooks (invoker, per-origin limits, App Check); Cloudflare (DNS, SSL, redirects, Workers, CSP); email (DKIM, SPF, DMARC); measurement; audit and checklists. It complements Firebase Without Surprises without repeating it. Every chapter has pitfalls, a checklist and ready-made prompts for your LLM. Prices and limits change: the text gives the date and tells you to check the official pricing page. 33-page PDF. Not consulting.
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About the Author
Leandro Salerno
Leandro Salerno leads marketing and technology at Austhen, a Brazilian industrial audio group with 20+ years of engineering, behind the brands Sansara, IBS and Xcene.
He didn't learn AEO from a course — he learned it shipping real sites: building and optimizing the group's B2B catalogs in Next.js and Firebase, and fighting every indexation and schema bug documented in this book. After getting those sites cited by ChatGPT and Perplexity, he packaged the method into AEO in Practice.
He writes for developers and agencies who want to master the next layer of search before the competition does.
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