The ioBroker diag script is not specifically designed to run in Docker.
Although it is generally safe to use, use it at your own risk.
*** iob diag is starting up, please wait ***

*** ioBroker Diagnosis ***
Please stretch the window of your terminal programm (puTTY) as wide as possible or switch to full screen

The following checks may give hints to potential malconfigurations or errors, please post them in our forum:

https://forum.iobroker.net

Just copy and paste the Summary Page, including the ``` characters at start and end.
It helps us to help you!

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* Some output is masked. For full results please use 'iob diag --unmask' *
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Press any key to continue