Kubernetes ยท Workloads and storage

One app, one helper, one shared file

The app writes a message. The sidecar reads it. A shared volume connects them.

One app, one helper, one shared fileThe app writes a message. The sidecar reads it. A shared volume connects them.ONE POD: THE APP AND HELPER LIVE HEREKEEPS RUNNINGWRITESREADSDeploymentInstruction: keep one Pod running.Creates a replacement if needed.App containerWrites a message to/output/report.logShared volumeHolds the same filefor both containers.Sidecar helperReads the message at/input/report.logDifferent paths. The same file.The helper prints the messages so you can see them with kubectl logs.Keeps the Pod runningMessages move this way