修改为databaseServer

techhero-auth-dev.yml

 # datasoure默认使用JDBC
 spring:
   datasource:
-    url: jdbc:oracle:thin:@database_server:30100:orcl
+    url: jdbc:oracle:thin:@databaseServer:30100:orcl
     username: system_dev
     password: c3lzdGVtX2Rldg==
     driverClassName: oracle.jdbc.OracleDriver