Challenges

by  Omkar Shelke

A web application is deployed but the website is not accessible. Investigate and fix the issue.

by  Omkar Shelke

Update container images, container names, update strategy, and replica count in an existing multi-container Kubernetes Deployment.

by  Kaloyan Preslavski

Observe the Delete and Retain reclaim policies in action, recover a Released PV by patching claimRef, and recover data by creating a new PV pointing to the same storage directory.

by  Kaloyan Preslavski

Explore how the DefaultStorageClass admission controller injects storage classes, explicitly name a StorageClass, switch the cluster default, and inspect where local-path stores volumes on the node.

by  Kaloyan Preslavski

Learn the three static PV binding patterns - generic match, label selector, and bidirectional claimRef - then use a no-provisioner StorageClass with WaitForFirstConsumer to pin storage to a specific node.

by  Omkar Shelke

Create a Kubernetes Job template for Team Aurora that runs a busybox command across multiple completions in parallel, with specific pod labels and container configuration.

by  Omkar Shelke

Add a sidecar container to an existing Deployment that tails a shared log file written by the main application container. Use a shared volume to make the log file available to both containers.

by  Omkar Shelke

Create a PersistentVolumeClaim backed by a CSI StorageClass and run a storage performance benchmark using FIO inside a Kubernetes Job.

by  Omkar Shelke

Perform a blue-green deployment by creating a new green version of a web application, then switch live traffic from blue to green with zero downtime by updating the Service selector.

by  Omkar Shelke

Create a Pod that uses a postStart lifecycle hook to write a custom message to the nginx welcome page, expose it via a NodePort Service, and verify the hook ran successfully.