Location and Name of CI v4 .env File

Thanks for your replies.  I am on Windows.

@captain-sensible - I like the set-up for your localhost dev.  Moving that same directory structure, (e.g., what is inside the 'basic' directory), to a (production) server keeps the application and system directories out of the public folder, and each, as you say, has its own .env file, cool!

Time to restructure when I can