The Power of Cloud Functions
summary
Shows how to write and deploy real Firebase backend code: TypeScript functions (example userIsLegal callable and a URL summariser using OpenAI), local testing with the emulator and Postman, and one-line deployment with firebase deploy only functions. Demonstrates Firestore triggers that add derived fields, explains Cloud Functions second‑generation features (longer 1‑hour timeout, far fewer cold starts, large concurrency), notes scheduled functions don’t run reliably in the emulator, and covers calling functions from Swift via the Firebase SDK.
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chapters (14)
- 0:00Introduction and speaker intro
- 1:49Cloud functions simplify complexity
- 4:43What are cloud functions
- 8:10Quick start guide
- 9:57Writing and testing functions
- 13:10Firestore integration
- 15:42Triggering functions on events
- 17:27Calling external APIs
- 20:42Testing functions locally
- 23:30Calling functions from apps
- 26:16Deploying functions
- 27:42Pricing and free tier
- 29:09Next steps and resources
- 31:18Q&A and closing
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