Where to put ebextensions config in AWS Elastic Beanstalk Docker deploy with dockerrun source bundle?

Question

I am having trouble getting my docker elastic beanstalk deploy to read my .ebextensions/setup.config file.

The documentation for eb environment configuration says:

Answer 1

If you are using a .json file for docker deploys, then you cannot use .ebextensions.

You can however create a zip that contains your .json and your .ebextension directory and everything should work. Use the zip as your deployment artifact instead of the raw json.