Revert: docker打包和容器编排

eureka-server/src/main/resources/application-dev.yml

@@ -1,8 +1,6 @@
 server:
   port: 8761
 eureka:
-  instance:
-    hostname: eureka1                               # 指定当profile=dev时，主机名是eureka1
   client:
     register-with-eureka: false
     fetch-registry: false