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Kubernetes / AWS node termination handler: Drain spot instances that are about to be terminated
3 min read
If you are using a mixed policy on your EKS workers ASG you will want to install the AWS node termination handler to drain a node once AWS notifies that a particular spot instance is going to be reclaimed
29/09/2021
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How to build a multi architecture docker image using a github action
3 min read
Using buildx we can build multi architecture containers, we can use a github action to automatically build it
28/09/2021
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Inject a sidecar using KubeMod
3 min read
Using a webhook we can mutate Kubernetes objects when they are inserted to the cluster. But using a mutating operator can save us the trouble of having to actually code how the object needs to be patched
27/09/2021
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Pod hooks: postStart and preStop
2 min read
If we need to execute some actions at container startup of before stopping the container we can me use of the container lifecycle hooks
24/09/2021
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Kubernetes: Find deprecated API versions
2 min read
On a Kubernetes cluster we might have deprecated versions of the object, so after updating it we might end up with something not properly working:
$ kubectl api-resources | grep Ingress\$ ingresses ing extensions/v1beta1 true Ingress ingresses ing networking.k8s.io/v1 true Ingress23/09/2021
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