How does firebase emulator work?

The Firebase Local Emulator Suite allows you to test your code with our core products in an interoperable way. The Cloud Functions emulator supports HTTP functions, callable functions, and background functions triggered by Cloud Firestore, Realtime Database, Cloud Storage, Authentication, and Pub/Sub .

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Do cloud functions cost money?

Cloud Functions includes a perpetual free tier for invocations to allow you to experiment with the platform at no charge . Note that even for free tier usage, we require a valid billing account. Cloud Functions uses Cloud Build to convert your function source code into an executable image.

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How do you deploy a cloud function?

Deployment. Deployments work by uploading an archive containing your function’s source code to a Cloud Storage bucket . Once the source code has been uploaded, Cloud Build automatically builds your code into a container image and pushes that image to either Artifact Registry or Container Registry.

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