The open source Bolt engine is the heart of Fairmont, and provides a scalable API framework builder. Documentation can be found here: https://docs.google.com/document/d/1lLQj5bPhtF5qB0U5MI9Wh72BNCVWznxiYe-WrRNZ_pc/edit?usp=sharing
The value in config.json's engine.extraConfigFolder is ignored when it ends in a slash. The workaround is to remove the slash. That will be fixed in the next update to work with or without a trailing slash.
This is an example of the workaround until the next version:
Broken- "extraConfigFolder": "/etc/bolt/dev/"
Working- "extraConfigFolder": "/etc/bolt/dev"