Restarts, 4× Slower, 502s During Deployments — When Only Your Service Is Sick on Kubernetes: Reproduce and Fix 8 Failures Yourself

After Kubernetes Basics: When Your Service Is Sick. Diagnose and fix issues by looking at symptoms like restarts, slowdowns, 502s, and stalled deployments, using only kubectl and metrics. Trigger eight failures yourself in a local Kubernetes environment on your laptop, then measure the before-and-after numbers under the same load.