Topic: #Engineering

We shipped a backend to a Compute Engine VM behind Cloudflare. The container came up fine. DNS and a 521 error did not. Two failures, both preventable, both worth knowing before your first deploy.

How a multi-tenant sales agent system grew from a Google ADK hello-world into a 40-worker orchestrator, then got rebuilt on ADK 2.0 Workflow graphs: what broke, what held up, and what we'd tell any team making the same jump.