Configure Ingress Routing with Traefik for a Multi-Service Shop Application
by Omkar Shelke
Create an Ingress resource for a shop application with path-based routing to multiple backend services and configure /etc/hosts for local DNS resolution.
Challenges
Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Resolve a Container Port Conflict and Expose Multiple Ports Through a Single Service
by Omkar Shelke
A Deployment with two nginx containers has a port conflict — both containers use port 80. Fix the conflict by updating the ConfigMap, mounting it into the second container, updating the containerPort, and exposing both containers via a NodePort Service.
Submissions: 1/2
Enforce a NetworkPolicy to Block All Traffic Except DNS
by Omkar Shelke
A Pod must be fully isolated from the cluster network. Deny all incoming traffic and block all outgoing traffic except DNS queries on port 53.
Submissions: 1/1
Control Cross-Namespace Traffic Using NetworkPolicy
by Omkar Shelke
A multi-tier application runs across two namespaces. Learn how to isolate the application tier and restrict database access to only the application namespace.
Submissions: 1/1