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docs/docs-content/tutorials/clusters/cluster-templates/standardize-clusters-with-cluster-templates.md

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@@ -11,40 +11,36 @@ tags: ["cluster templates", "tutorial", "terraform", "profiles", "aws", "azure"]
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When you manage many Kubernetes clusters, configuring and upgrading them one by one does not scale. You need a way to
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apply the same configuration and upgrade rules across multiple clusters.
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In this tutorial, you will use **cluster templates** in Palette to create and manage clusters in a consistent way.
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Cluster templates let you reuse a cluster configuration, control when upgrades happen, and apply changes to multiple
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clusters at once.
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Palette supports this workflow with **cluster templates**. Cluster templates let you reuse a cluster configuration,
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control when upgrades happen, and apply changes to multiple clusters at once.
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Cluster templates use two building blocks:
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Cluster templates are built from two related concepts:
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- **Cluster profiles**, which define the software and infrastructure configuration of a cluster.
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- **Cluster template policies**, which control how clusters created from a template are operated, such as when upgrades
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can run.
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- **Cluster profiles**, which define the software stack and infrastructure configuration of a cluster.
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- **Cluster template policies**, which define how clusters created from a template are operated, such as when upgrades
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are allowed to run.
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A **maintenance policy** is one type of cluster template policy. Currently, maintenance policies are the only cluster
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template policy type available in Palette.
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A **maintenance policy** is one type of cluster template policy. Maintenance policies define a maintenance window that
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controls when upgrades can run. Currently, maintenance policies are the only cluster template policy type available in
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Palette.
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In this tutorial, you create two clusters named **dev** and **prod**. Both clusters are created from the same cluster
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template, but use different
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[cluster profile variables](../../../../../profiles/cluster-profiles/create-cluster-profiles/define-profile-variables/).
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This shows how you can reuse a single template while applying environment-specific settings per cluster.
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## What You Will Build
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Cluster templates link cluster profiles and policies. When you create clusters from the same template, those clusters
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share the same base configuration and follow the same operational rules.
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In this tutorial, you will:
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- Create a cluster profile
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- Create a cluster template policy
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- Create a cluster template that uses the profile and policy
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- Deploy two clusters (**dev** and **prod**) from the same template
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- Set different profile variable values for each cluster
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- Deploy two clusters (**dev** and **prod**) from the same template, but use different
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[cluster profile variables](../../../../../profiles/cluster-profiles/create-cluster-profiles/define-profile-variables/)
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- Set different profile variable values for each cluster for environment-specific settings
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- Update the template and upgrade both clusters together
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## Choose Your Workflow
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You can complete this tutorial using [Palette's UI on AWS](#provision-and-upgrade-clusters-using-the-palette-ui-for-aws)
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or [Terraform on AWS or Azure](#provision-and-upgrade-clusters-using-terraform) workflows. Choose the workflow that
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matches how you manage your infrastructure.
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You can complete this tutorial using either
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[Palette's UI on AWS](#provision-and-upgrade-clusters-using-the-palette-ui-for-aws) or
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[Terraform on AWS or Azure](#provision-and-upgrade-clusters-using-terraform), depending on how you manage your
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infrastructure.
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:::warning
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