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Jun 2, 2025
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document what k8s version we use to render helm charts #3285

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document what k8s version we use to render helm charts
laverya Jun 2, 2025
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paigecalvert Jun 2, 2025
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4 changes: 3 additions & 1 deletion docs/vendor/helm-packaging-airgap-bundles.mdx
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Expand Up @@ -12,6 +12,8 @@ This topic describes how to package and build air gap bundles for releases that
<AirGapBundle/>

When building the `.airgap` bundle for a release that contains one or more Helm charts, the Vendor Portal renders the Helm chart templates in the release using values supplied in the KOTS HelmChart custom resource [`builder`](/reference/custom-resource-helmchart-v2#builder) key.
Each Helm chart is rendered with the minimum Kubernetes minor version that satisfies the `kubeVersion` in the root Helm chart. For example, if the chart specifies `kubeVersion: >=1.24.1`, the chart is rendered with Kubernetes 1.25.0.
If this fails or if a `kubeVersion` was not specified in the root Helm chart, then the Vendor Portal attempts to render the chart with each minor version from Kubernetes 1.20 to the latest release.

## Configure the `builder` Key

Expand Down Expand Up @@ -73,4 +75,4 @@ Many applications have images that are included or excluded based on a given con

* [builder](/reference/custom-resource-helmchart-v2#builder)
* [Air Gap Installation with Embedded Cluster](/enterprise/installing-embedded-air-gap)
* [Air Gap Installation in Existing Clusters with KOTS](/enterprise/installing-existing-cluster-airgapped)
* [Air Gap Installation in Existing Clusters with KOTS](/enterprise/installing-existing-cluster-airgapped)