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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What is the backend of Firebase?

Firebase is a Backend-as-a-Service (Baas) . It provides developers with a variety of tools and services to help them develop quality apps, grow their user base, and earn profit. It is built on Google’s infrastructure. Firebase is categorized as a NoSQL database program, which stores data in JSON-like documents.

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