runtime: docker big scaling gql backend crash proxy

[fasibio]

By fast scaling from one to 15 swapi server, the app crashed.
By slow scaling it works fine. (1 to 5, 5 to 7, 7 to 11, 11 to 13, 13 to 15)

internal/streams/legacy.js:59
throw er; // Unhandled stream error in pipe.
^

Error: connect ECONNREFUSED 172.19.0.8:9000
at Object._errnoException (util.js:992:11)
at _exceptionWithHostPort (util.js:1014:20)
at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1186:14)

[fasibio]

kubernetes does not have this problem because the service layer coat the pods