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Google Cloud Certified Professional Cloud Developer · Google Cloud
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Answer A. Python + Firestore + Cloud Run: Truly serverless (scales to zero) Pay only for actual usage Handles spikes well Firestore scales automatically Minimal management overhead Lowest cost when no traffic
A: Building the application in Python with Firestore as the database and deploying the application to Cloud Run is a good approach. Cloud Run is designed to scale up and down automatically, even down to zero, which can help minimize costs when there's no traffic. Firestore is a serverless, NoSQL document database that can scale automatically to meet your application's needs. Why C is rejected? C: While App Engine standard environment can scale down to zero instances, CloudSQL is not serverless and you are billed for the time that the database instance is running, which could increase costs when compared to Firestore.
Also Firestore has a free tier quota