- I don’t think you need to worry about it, if set to
0
. app
is the default process that exists in all Fly app configs I have seen. It may or may not be deployed (in your case, it isn’t).
I don’t know for sure, but it looks like multi-process Fly apps are likely to be phased out given these aren’t really that intuitive to work with, and have some rough edges and unfinished corners.