(page is https://github.com/Netflix/Hystrix/wiki) <-- this is not the way they handle it, just has a good image showing how crazy the number of microservices they handle is
The problem of keeping this kind of configuration up-to-date is an interesting one. I'm curious if anyone has tried encoding the local development configuration in how they run integration tests so that it never falls out of date.
I'd start with crushing the soul of whomever didnt put in quality logging (debug package). Next I'd cry about my lack of debugger knowledge for nodejs.