Real data, no fluff.

Technical deep-dives on AWS cost optimization, cloud waste detection, and FinOps automation.

2 posts tagged "Testing"

How We Prove an AWS Waste Check Works: Fire on a Real Cluster, Stay Silent on Its Twin

A green unit test proves your code does what you think AWS does. It can't prove AWS does it. Here's the fixture-and-control test we run against real resources, and what it found when we pointed it at one DocumentDB check.

September 22, 20266 min read

EngineeringTestingWaste Detection

The Bug That Turned Every Bad Password Into a Server Outage

A wrong password on the CloudWise login page returned HTTP 500 — on staging AND production — for who knows how long. It went unnoticed until an E2E gate's negative-path test caught it and blocked a release. Here's the fix, and why status codes are a contract, not a suggestion.

July 28, 20266 min read

EngineeringBuildInPublicBugs