Firebase Hosting Headers Config: Cache, Security, CORS
The headers block in firebase.json controls cache TTL, security policy, and CORS. Here is the minimum config that ships fast and safe — and the patterns that cost you.
#Firebase
Articles tagged with #Firebase
Firebase Quota Exceeded — Free Tier Hard Limits
Firestore writes / Functions calls / Hosting bandwidth — each has a hard line on free tier.
Firestore Composite Index Missing
`FAILED_PRECONDITION: The query requires an index` — multi-field where + orderBy demands a composite index.
Custom Domain Works on Vercel But Not Firebase (2026)
Same domain works fine when bound to Vercel, fails when you try Firebase Hosting. Why Firebase has stricter requirements and how to fix.
Firebase Config Audit Prompts for Rules and Functions
Firebase config audit prompts — Firestore / Realtime DB / Storage rules, indexes, Cloud Functions, Auth, App Check, hosting.
Deploying an Astro Site to Firebase Hosting
Step-by-step on deploying a static Astro site to Firebase Hosting, with the configuration that avoids the common pitfalls in 2026.
Deploy a static site to Firebase Hosting: step-by-step
A no-nonsense 2026 walkthrough for shipping a static site (Astro, Vite, plain HTML) to Firebase Hosting in about 10 minutes — including SSL, custom domain, and cache headers.
Firebase Hosting cache & how to force fresh content after deploy
Deployed but visitors see the old page? Use this firebase.json cache-header config, curl diagnostic, and rollback to flush stale content in seconds.
Connecting a custom domain to Firebase Hosting
Add a custom domain to Firebase Hosting with the exact DNS records, dig commands for verification, and the common failures explained.
Firebase Hosting free tier: what you actually get
The Firebase Spark free tier in 2026 gives 10 GB storage + 360 MB/day egress. Use this page-weight math, budget config, and asset checklist to know if you fit.
Firebase Hosting go-live checklist (10 items)
A 10-item pre-launch checklist for sites going live on Firebase Hosting in 2026 — covering domain, SSL, cache, redirects, sitemap, Search Console, and rollback rehearsal.
Firebase Hosting rewrites — when to use them, when not to
Rewrites in Firebase Hosting let you map URLs to functions, Cloud Run, or single-page apps. Here is when each pattern is the right tool — and when rewrites cause more problems than they solve.
Why your Firebase route 404s after deploy (and how to fix it)
Pages that worked locally return 404 on Firebase Hosting. Use this diagnostic checklist with firebase.json snippets and curl commands to pinpoint the cause.
What is Firebase Hosting (and who is it for in 2026)
Firebase Hosting is Google's static + edge CDN service tied to Firebase. Here is when it fits, with the firebase.json baseline and deploy commands.
Firebase Deploy "Permission Denied"
Firebase deploy fails with permission errors — IAM, login, or project mismatch.
Firebase Function Not Found (2026)
Calling a function returns "not found." Likely region, name, or deploy.
Firebase Hosting Deploy Fails
Hosting deploy fails — CLI version, quota, or firebase.json config.
How to Fix Firebase Hosting Route 404: SPA, SSG, Subpath — All Cases
After deploying to Firebase Hosting, the homepage works but /about and other subpages return 404? Your firebase.json rewrites are misconfigured. Fixes for SPA, SSG, static multipage, Astro, and Next.js.
Firebase Hosting Rewrites Not Firing (2026)
You configured rewrites for SPA / functions but they don't trigger.
Firebase Hosting vs Vercel: A Practical Indie-Dev Comparison
Both have generous free tiers and great DX. Here's how Firebase Hosting and Vercel differ on serverless, ecosystem, deployment, SEO, and pricing in 2026.