View Source GRPC.Server.Interceptors.Logger (grpc v0.11.1)
Print log around server rpc calls, like:
17:18:45.151 [info]  Handled by HelloServer.say_hello
17:18:45.151 [info]  Response :ok in 11µsOptions
:level- the desired log level. Defaults to:info
Usage
defmodule Your.Endpoint do
  use GRPC.Endpoint
  intercept GRPC.Server.Interceptors.Logger, level: :info
end