[GitHub] [druid] jihoonson commented on a change in pull request #9209: [Extensions][Google] Add details about the keyfile

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jihoonson commented on a change in pull request #9209: [Extensions][Google] Add details about the keyfile
URL: https://github.com/apache/druid/pull/9209#discussion_r368097426
 
 

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 File path: docs/development/extensions-core/google.md
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 @@ -23,7 +23,7 @@ title: "Google Cloud Storage"
   -->
 
 
-To use this Apache Druid extension, make sure to [include](../../development/extensions.md#loading-extensions) `druid-google-extensions` extension.
+To use this Apache Druid extension, make sure to [include](../../development/extensions.md#loading-extensions) `druid-google-extensions` extension and run druid processes with `GOOGLE_APPLICATION_CREDENTIALS=/path/to/service_account_keyfile` in the environment.
 
 Review comment:
   I think you can set it for ones only who talk to GCS which are middleManagers, indexers, and historicals. But I guess setting this in all nodes doesn't harm as well.

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