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Issue description: feedback by jwalzer@redhat.com   :

The last Lab "Comprehensive-review" Fails for some Maven reason when the containerfile for the beeper-api container is not placed in the beeper-backend directory.
In my Opinion it is completely valid to have the containerfile one directory up and specify the COPY src path of beeper-backend/* 

But when doing it this way, the build with maven fails late because it doesn't find main function .... even though the download of the dependencies/requirements works ...

I would suggest, that the task desciption explicitly specifies the directory location (and maybe even the name) where the containerfile has to be placed, to avoid frustration and not spoiling the solution by looking into the solution file. 

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