i don't think we have full documentation of this anywhere yet, and it's complicated by some of the metrics coming from plugins rather than stuff that is maintained by us in spicedb. the best way i've found to do it is:

docker run --rm -p 50051:50051 -p 9090:9090 authzed/spicedb serve --grpc-preshared-key "something"

and then hit that instance with some zed calls (because gRPC metrics won't populate until there's been gRPC traffic) and then hit

http://localhost:9090/metrics

in a web browser and look at the

# HELP

comments for each one