I'd go so far as to say that configuration details for specific runtime environments should never be the concern of the application/service/program itself. It's

I'd go so far as to say that configuration details for specific runtime environments should never be the concern of the application/service/program itself. It's almost always a smell to me when I see "dev" "prod" "stage" "local" in code unless it's an abstraction over the configuration for some sort of logical runtime profile.