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Your LimeSurvey version: 6.10.0
Own server or LimeSurvey hosting: own server

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In a cloud kubernetes/docker environment, you probably want to log errors in stdout console. Did you implemented it already?
I guess should be done by CFileLogRoute class, but has so many option maybe not effective.

Someone did already but I don't know how to implement inside LS.

Actually, my kubernetes PHP configuration is dumping PHP errors to stdout, but LS installation can't do it.

You mean this ?
forum.yiiframework.com/t/yii-log-to-console-stdout/49326/14