hotfix: PlayerRepository.findAll() 호출 시 N+1 문제 수정 (#360)

* refactor: Player의 Member 필드 지연로딩으로 변경

* refactor: PlayerRepository.findAll() Fetch Join 진행

* test: 지연 로딩으로 인한 테스트 에러 임시 수정

backend/src/main/java/com/now/naaga/player/domain/Player.java

@@ -28,7 +28,7 @@ public class Player extends BaseEntity {
     private Score totalScore;
 
     @JoinColumn(name = "member_id")
-    @OneToOne
+    @OneToOne(fetch = FetchType.LAZY)
     private Member member;
 
     private boolean deleted = FALSE;

backend/src/main/java/com/now/naaga/player/persistence/repository/PlayerRepository.java

@@ -3,8 +3,13 @@
 import com.now.naaga.player.domain.Player;
 import java.util.List;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 
 public interface PlayerRepository extends JpaRepository<Player, Long> {
 
     List<Player> findByMemberId(final Long memberId);
+
+    @Override
+    @Query("SELECT p FROM Player p JOIN FETCH p.member")
+    List<Player> findAll();
 }

backend/src/main/resources/application.yml

@@ -55,6 +55,6 @@ spring:
 
 spring:
   config:
-    import: classpath:security/application-prod.yml
+    import: classpath:security/application-local.yml
     activate:
-      on-profile: prod
+      on-profile: local

backend/src/test/java/com/now/naaga/game/application/HintServiceTest.java

@@ -26,6 +26,7 @@
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.jdbc.Sql;
+import org.springframework.transaction.annotation.Transactional;
 
 @SuppressWarnings("NonAsciiCharacters")
 @DisplayNameGeneration(ReplaceUnderscores.class)
@@ -42,6 +43,7 @@ class HintServiceTest {
     @Autowired
     private PlaceBuilder placeBuilder;
 
+    @Transactional
     @Test
     void 힌트를_생성한다() {
         // given