HOSTNAME is available in most Posix systems by default, so it can override your config/default.json OOTB. This is not a well known fact and a new feature in Dove. This conditions combined cause unexpected bindings, errors and interactions with other parts of your server/app/system.
Suggested solution
Namespace them.
Additional details
This reminds me of another feathers-configuration feature, relating to path resolution, that caused unexpected issues. I chose not to include OAUTH secrets as the origin definition seems imperfect, as it somewhat duplicates the top level origins.
Summary
HOSTNAME is available in most Posix systems by default, so it can override your config/default.json OOTB. This is not a well known fact and a new feature in Dove. This conditions combined cause unexpected bindings, errors and interactions with other parts of your server/app/system.
Suggested solution
Namespace them.
Additional details
This reminds me of another feathers-configuration feature, relating to path resolution, that caused unexpected issues. I chose not to include OAUTH secrets as the origin definition seems imperfect, as it somewhat duplicates the top level origins.
https://github.com/feathersjs/feathers-chat/blob/dove/feathers-chat-ts/config/custom-environment-variables.json