Intermediate Labs
Multi-step challenges with less guidance and real-world scenarios.
Labs
dkr-container-networking
Fix Container Networking
Two containers can not communicate. Fix the network configuration so they can.
dkr-compose-healthcheck
Compose Service Dependencies
A Docker Compose app starts in the wrong order. Fix the healthcheck and dependency config.
lnx-process-management
Rogue Process Investigation
A process is consuming all CPU. Identify it, understand why, and handle it correctly.
k8s-service-unreachable
Service Unreachable
A Kubernetes Service is not routing traffic. Fix the selector and port configuration.
git-merge-conflict
Resolve a Merge Conflict
A merge conflict was left unresolved in the repository. Fix it without losing any changes.