UNSOLVED Change Server Version
How Can i Change der Minecraft Version to 1.16.5 on the "Normal" Minecraft Server.
I can Login into Docker but i can´t change anything.
This is not possible as such, however you can install an older Cloudron app package, which has that version and then disable automatic updates for that app.
In your case the package version is 1.3.6 so you can install this by changing the version in the browser URL bar while being in the appstore view of the dashboard. The url would be something like: