Feature: allow overriding of `default.ini` (persistent)

[marceloomens]

Since a lot of server configuration seems to be done through a default.ini file, it would be great if I could edit a configuration file outside of the container, which then gets (re-)mounting, overriding the default configuration local to the container.

Elsewhere, I've resolved this like so in the Docker configuration:

    volumes:
      - type: bind
        source: /host/path/to/default.ini
        target: /container/path/to/default.ini

[janl]

configuration should only ever happen in local.ini or local.d/*.ini, default.ini must not be changed. Mapping local.d to the host is probably the easiest: https://github.com/apache/couchdb-docker/?tab=readme-ov-file#configuring-couchdb