Everything Was Green. Production Was Failing. (opens in new tab)

Originally published on my Hashnode blog. This version has been adapted for the DEV community. Confidentiality Notice: To protect intellectual property, certain architectural values, network configurations, and specific company identifiers have been generalized or obfuscated. ALB Targets: Healthy. NLB Targets: Healthy. ECS Tasks: Running Normally. CloudWatch: Fully Green. To any engineer, this view is the ultimate green light. But at 2:00 AM on a Sunday, during the live cutover of our first m...