V0.12 Config questions

[calmh (Jakob Borg)]

This should get into a FAQ somewhere.

What is the difference between copier, puller, and hasher

This is a two part question. What are the responsibilities of the copier, puller, and hashers? I can assume the hasher is just busy getting file hashes, and the copier is busy doing io, but what about the puller? What would be an ideal starting setup in general and also in number of copiers, pullers, and hashers for a application that will only consist of a local syncthing instance, and an instance of syncthing in a docker container on the host machine. So just a one to one two way sy…