chore: db 초기화 및 테이블 구조 변경

Author: HuniHuns

src/main/java/targeter/aim/domain/post/entity/Post.java

@@ -45,7 +45,6 @@ public class Post extends TimeStampedEntity {
     @JoinColumn(name = "user_id", nullable = false)
     private User user;
 
-
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "challenge_id", nullable = false)
     private Challenge challenge;

src/main/resources/application-remote.yml

@@ -12,7 +12,7 @@ spring:
   # jpa설정
   jpa:
     hibernate:
-      ddl-auto: update
+      ddl-auto: create
       properties:
         hibernate:
           default_batch_fetch_size: 100