@Evolute I just tried it both ways:
1. Templated config with globals.yml
2. Templated config with parameters.yml
The templating works with both but I was unable to override the hardcoded filepaths with either approach which makes me think the jinja templating steps happen before the paramater override steps or are independent of the overridden in-memory version of the parameter.
@noklam is there any special configuration in that example project aside from the uncommented out lines in settings.py?