[api] 서버 포트 설정

src/main/resources/application.yaml

@@ -1,3 +1,5 @@
+server:
+  port: 8001
 spring:
   application:
     name: api

src/main/resources/banner.txt

@@ -13,4 +13,6 @@
 Application : ${spring.application.name}
 Profile     : ${spring.profiles.active}
 Spring Boot : ${spring-boot.version}
-Java        : ${java.version}
+Java        : ${java.version}
+Port        : ${server.port}
+PID         : ${PID}