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🎄This blog post is also a contribution to Festive Tech Calendar 2023, where during the month of December, experts from the tech community share their knowledge about a multitude of tech topics. As part of this initiative you can also support a fundraising for the Raspberry Pi Foundation. You’re welcome to check out all the contributions here: Festive Tech Calendar 2023 Kubernetes release cycle and its challenges As you might know since the beginning of time Kubernetes has been known for its quite frequent release cycle. With approximately 4 releases of new Kubernetes versions per year a specific version was supported for 9 months until Kubernetes version 1.18. With Kubernetes version 1.19 community support got extended by 3 months. At the time of publishing this blog post a specific version of Kubernetes is supported for 1 year. Support in this case means patching of security-related, dependency-related or other critical core issues. ...

Introduction When working with Kubernetes there may be cases where you may need to use port forwarding to get access to an application running inside the cluster. Some of the use cases may be: accessing information in internal applications that are not meant to be exposed for public access verifying that the application works as expected prior to exposing it for public access troubleshooting purposes Port forwarding is a functionality that is available in Kubernetes via kubectl port-forward command. This command creates a direct connection between the caller (typically a client machine) and the Pod where the application is running inside the cluster. You can either target a specific Pod or any Pod fronted by Kubernetes resources like Service or Deployment. You can read more about the command in official documentation: port-forward. ...