Engineering Patterns¶

2025-11-29
in Kubernetes, Argo Workflows, Performance, Go, Engineering Patterns
4 min read

From 5 Seconds to 5 Milliseconds: The Evolution of Event-Driven Deployment Automation

Every time someone pushed a container image, my Kubernetes API server winced. The workflow that was supposed to be "instant" took 5-10 seconds and hammered the cluster with requests.

This is the story of how I turned that into 5 milliseconds with zero API calls.

2025-11-27
in CI/CD, Resilience, Engineering Patterns
3 min read

Idempotent Automation: Why Reruns Shouldn't Scare You

Your workflow failed at step 47 of 50. Do you fix the issue and rerun from the beginning, or do you manually complete the remaining steps?

The Nervousness Test

If that question makes you nervous, your automation isn't idempotent. And that's a problem.

This post shares the journey to making reruns boring. For the full technical deep-dive, see the Idempotency Pattern Guide.