make topaz container 12 factor compliant

[apoland]

Add a basic config file to the container image so that topaz can start up on platforms where all config modifications will be done via environment variable overrides.

This PR is here to facilitate conversation with @gertd and @carabasdaniel, file location and contents could change

[github-actions[bot]]

Pull Request Test Coverage Report for Build 7716232185

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 37.347%

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Totals
Change from base Build 7622898342:	0.0%
Covered Lines:	1492
Relevant Lines:	3995

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💛 - Coveralls