April 2018
Intermediate to advanced
284 pages
6h 43m
English
Content preview from Serverless Web Applications with React and Firebase
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How does it work?
Once you write and deploy a function, Google's servers start listening to those functions immediately, that is listening for events and running the function when it gets triggered. As the load of your app increases or decreases, it responds by rapidly scaling the number of virtual server instances needed to run your function faster. If the function is deleted, idle, or updated by you, then instances are cleaned up and replaced by new instances. In the case of deletion, it also removes the connection between functions and the event provider.
Given here are the events that are supported by Cloud Functions:
- onWrite(): It triggers when data is created, destroyed, or changed in the Realtime Database
- onCreate(): It triggers when ...
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