01
Practice studio
Learning path ↗Five incidents to investigate.
Inspect the resources, work out what failed, and check your repair. Each case has a second version with two faults.
Get the pack for $49Case files
About 10–15 minutes each. Hints available.
02
Service routing
Healthy, but unreachable
The tasks API has healthy Pods and no usable route.
No ready endpoints03
Runtime configuration
Startup blocked by configuration
The new release cannot initialize its containers.
CreateContainerConfigError04
Health contracts
Running is not ready
The API process runs, but no Pod is eligible for traffic.
Readiness probe failed05
Release recovery
Back to a known good state
A release crashes before it can serve the tasks API.
CrashLoopBackOffApplication project
Deploy the frontend, API, and database.
Follow the guided setup in the simulator or your own local cluster.
Workplace field guideKeep a checklist for your next incident.
Download the investigation checklist, annotated manifest, and handover template.
These labs simulate Kubernetes resources in your browser. No real containers or network requests run. Notes, evidence, and progress stay in this browser.