Putting a gateway in front of Google Antigravity for routing, auth, and chargeback
rseroter · x · 2026-11-04
Richard Seroter (Google Cloud) published a deep dive on why and how to put an enterprise gateway in front of Google Antigravity. The architecture diagram shows developers reaching Cloud Workstations via VPN and an internal load balancer, with a LiteLLM Gateway on Cloud Run handling inference to first- and third-party models including Gemini Enterprise Agent Platform.
- Why: custom model routing, alternative auth schemes, and granular chargeback data for enterprise teams.
- How: LiteLLM Gateway on Cloud Run, config mounted from Secret Manager, RBAC enforced via a Cloud IAM gateway service account.
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