forgejo-runner/examples/kubernetes/README.md
Earl Warren 294912488c
update kubernetes examples to match version 3.0.0 images
Starting with Forgejo runner 3.0.0 images are different in two ways
that matter to k8s because they:

* are all rootless
* do not rely on tini
2023-08-26 12:19:06 +02:00

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## Kubernetes Docker in Docker Deployment
Registers Kubernetes pod runners using [offline registration](https://forgejo.org/docs/v1.21/admin/actions/#offline-registration), allowing the scaling of runners as needed.
NOTE: Docker in Docker (dind) requires elevated privileges on Kubernetes. The current way to achieve this is to set the pod `SecurityContext` to `privileged`. Keep in mind that this is a potential security issue that has the potential for a malicious application to break out of the container context.
[`dind-docker.yaml`](dind-docker.yaml) creates a deployment and secret for Kubernetes to act as a runner. The Docker credentials are re-generated each time the pod connects and does not need to be persisted.