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docs: surface preview apps in env group synced applications #286

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10 changes: 10 additions & 0 deletions applications/configure/environment-groups.mdx
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Expand Up @@ -93,6 +93,16 @@ services:

Environment groups listed in `envGroups` must already exist in the project before deploying.

## Viewing Synced Applications

Open an environment group and select the **Synced Apps** tab to see every application currently consuming it, along with the clusters those applications run in.

Apps running in [preview environments](/preview-environments/overview) that reference the environment group are listed alongside regular applications and are tagged with a **Preview** badge so you can tell them apart from their base app (which often shares the same name). Selecting a preview card opens the app inside the preview environment it belongs to.
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@GKestenberg GKestenberg May 28, 2026

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I think this paragraph is unneccessary. Like it's pretty obvious and probably distracting


<Info>
A cluster cannot be removed as a sync target while any application synced to the environment group — including preview environment apps — is still running on it. Tear down the preview environment (or remove the env group from its `porter.yaml`) before removing the cluster as a sync target.
</Info>

## Updating an Environment Group

When you update an environment group, all applications synced to it are automatically redeployed with the new values.
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