With this change by adding --thin.profile=kafka or --thin.profile=rabbit we're able to turn on messaging support for stub runner boot.
Also for Docker, you will be able to pass MESSAGING_TYPE env var with either rabbit or kafka as a value and we'll run the messaging support for you.
fixes gh-1468
- set the port to 8750, fixes gh-755
- stub runner app bases on thin jar, fixes gh-1385
a prerequisite for messaging support of docker images and polyglot messaging