Hi:
here is a doc :https://github.com/apache/incubator-apisix/blob/170f4650f1faeb454c1ff69ea97fe1287710ec77/doc/discovery-cn.md for the design of APISIX eureka integration. I hope you can give me some advice. the PR: https://github.com/apache/incubator-apisix/pull/1281
