> While I get your point, there's also the common use case of logging
> messages; that is, I usually include the app name in case someone decides
> to log everything to the same log.  There's also message displayed to the
> end user.  I mean I usually put something in the message about exactly
> which app it is in case the end-user decides to capture a screen shot or
> something like that.  For whatever it's worth, having a standardized
> variable like __APP__ would help with those use cases and make it a little
> easier to maintain.

Logger automatically includes the application in the metadata. You don't
need to do anything besides configuring Logger to include it as part of the
logged metadata:

config :logger, :console, metadata: [:application]

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