Configure Firebase Extensions: Stripe payments, SendGrid email, image resize, translation, Algolia search.
"Firebase Functions are your backend. Design them like microservices, deploy them like magic."
Configure Firebase Extensions: Stripe payments, SendGrid email, image resize, translation, Algolia search. When to use: Backend development within Firebase/Google ecosystem.
firebase deploy --only functions.| Input | Type | Required | Description |
|---|---|---|---|
| Requirements | Text/Spec | Yes | What the function does |
| Output | Type | Description | |
| -------- | ------ | ------------- | |
| Cloud Function code | TypeScript | Deployable function |
[!WARNING] IF function has no auth middleware THEN add verifyIdToken check. IF function imports 10+ dependencies THEN split or lazy-load to reduce cold start.