https://circleci.com/docs/guides/orchestrate/set-up-multiple-configuration-files-for-a-project/
Set up multiple configuration files for a project - CircleCI Docs
multiple configuration filesset upprojectcirclecidocs
https://www.elastic.co/docs/reference/ecctl/ecctl-multiple-configuration-files
Multiple configuration files | Elastic cloud control (ECCTL)
ecctl supports having multiple configuration files out of the box. This allows for easy management of multiple environments or specialized targets. By...
multiple configuration fileselastic cloudcontrolecctl