runtime: docker big scaling gql backend crash proxy

Created by: 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)