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qsk-book's Issues

Experiencing errors on Linode when creating the qsk-book pod

Hi Nigel,

I am following the exact steps of your book Quick Start Kubernetes. I am not using my own Docker image but your's.
I created the K8n cluster on Linode as described in the book and everything is working as expected, both nodes are running and green. I have pulled your code from GitHub and didn't changed a single line, just running
kubectl apply -f pod.yml, which results in no error. But directly after this command the status of the Pod is


NAME        READY   STATUS             RESTARTS         AGE
first-pod   0/1     CrashLoopBackOff   10 (2m29s ago)   28m

When I look into the logs via kubectl logs -p first-pod I get exec /usr/local/bin/docker-entrypoint.sh: exec format error. kubectl describe shows the following output (only the last table):

Type     Reason     Age                  From               Message
  ----     ------     ----                 ----               -------
  Normal   Scheduled  30m                  default-scheduler  Successfully assigned default/first-pod to lke90787-137521-63de03d7609a
  Normal   Pulled     29m (x5 over 30m)    kubelet            Container image "nigelpoulton/qsk-book:1.0" already present on machine
  Normal   Created    29m (x5 over 30m)    kubelet            Created container web-ctr
  Normal   Started    29m (x5 over 30m)    kubelet            Started container web-ctr
  Warning  BackOff    25s (x141 over 30m)  kubelet            Back-off restarting failed container

I am not sure how to troubleshoot here and what the problem could be as the Dockerfile and app is rather simple and the cluster is healthy.

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