--phpfpm.socket-directories=PHPFPM.SOCKET-DIRECTORIES how specify?

[matteocostantini]

--phpfpm.socket-directories=PHPFPM.SOCKET-DIRECTORIES how specify? Comma or space separated? or repeate --phpfpm.socket-directories for every sockets folder?

exporter user is member of sockets read group

[Lusitaniae]

Looking at the original PR looks like you should specify the flag multiple times #5

But feel free to try different things and make a PR to update README with more clear instructions