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Google Cloud Functions Gen 1
Shut Down — January 2025
What was it?
Original serverless functions runtime on GCP. Node, Python, Go, Java. Single-instance concurrency, limited networking.
What happened?
Google deprecated Cloud Functions gen 1 in January 2025. All new functions must use gen 2 (Cloud Run-based). Gen 1 stop accepting new deployments.
Migration Guide
Migrate to Cloud Functions gen 2 (Cloud Run-backed). Supports concurrency, longer timeouts, VPC. Most code changes minimal.