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Clarify K3s manifest overrides and HelmChartConfig #1626

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Clarify K3s manifest overrides and HelmChartConfig #1626

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3 changes: 2 additions & 1 deletion docs/usage/k3s.md
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Expand Up @@ -5,8 +5,9 @@ K3s ships with lots of built-in features and services, some of which may only be
## General: K3s documentation

- Automatically Deploying Manifests and Helm Charts: <https://rancher.com/docs/k3s/latest/en/helm/#automatically-deploying-manifests-and-helm-charts>
- Note: `/var/lib/rancher/k3s/server/manifests` is also the path inside the K3s container filesystem, where all built-in component manifests are, so you can override them or provide your own variants by mounting files there, e.g. `--volume /path/to/my/custom/coredns.yaml:/var/lib/rancher/k3s/server/manifests/coredns.yaml` will override the packaged CoreDNS component.
- Note: `/var/lib/rancher/k3s/server/manifests` is also the path inside the K3s container filesystem, where all built-in component manifests are. These can not be overwritten, but need to be ajusted with with HelmChartConfig.
- Customizing packaged Components with `HelmChartConfig`: <https://rancher.com/docs/k3s/latest/en/helm/#customizing-packaged-components-with-helmchartconfig>
- Note: To extend the default traefik configuration, create a file `traefik-config.yaml` and mount it like -volume /path/to/my/custom/traefik-config.yaml:/var/lib/rancher/k3s/server/manifests/traefik-config.yaml

## CoreDNS

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