refactor: 헬스체크, 다중컬렉션 left 조인 제거

Author: Hyeonjun0527

docker-compose.qa.yml

@@ -77,6 +77,12 @@ services:
       - pullit-qa-network
     image: ${DOCKER_IMAGE_BLUE}
     container_name: pullit-qa-worker-blue
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8080/actuator/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 90s
     environment:
       <<: *pullit-common-env
       SPRING_PROFILES_ACTIVE: qa,worker
@@ -94,6 +100,12 @@ services:
       - pullit-qa-network
     image: ${DOCKER_IMAGE_GREEN}
     container_name: pullit-qa-worker-green
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8080/actuator/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 90s
     environment:
       <<: *pullit-common-env
       SPRING_PROFILES_ACTIVE: qa,worker

src/main/java/kr/it/pullit/modules/learningsource/source/exception/S3FileNotFoundForSourceException.java

@@ -10,7 +10,6 @@ private S3FileNotFoundForSourceException(Object... args) {
 
   public static S3FileNotFoundForSourceException bySourceIdAndFilePath(
       Long sourceId, String filePath) {
-    return new S3FileNotFoundForSourceException(
-        "S3에 파일이 존재하지 않습니다. (sourceId: %d, filePath: '%s')", sourceId, filePath);
+    return new S3FileNotFoundForSourceException(sourceId, filePath);
   }
 }

src/main/java/kr/it/pullit/modules/questionset/domain/entity/QuestionSet.java

@@ -35,6 +35,7 @@
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.hibernate.annotations.BatchSize;
 import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.SQLRestriction;
 
@@ -71,6 +72,7 @@ public class QuestionSet extends BaseEntity {
       name = "question_set_source",
       joinColumns = @JoinColumn(name = "question_set_id"),
       inverseJoinColumns = @JoinColumn(name = "source_id"))
+  @BatchSize(size = 100)
   private Set<Source> sources = new HashSet<>();
 
   // TODO: 리팩토링 대상 타이틀 정책이 빈약함.

src/main/java/kr/it/pullit/modules/questionset/repository/adapter/jpa/QuestionSetJpaRepository.java

@@ -55,7 +55,6 @@ List<QuestionSet> findByStatusAndCreatedAtBefore(
        SELECT qs
        FROM QuestionSet qs
        LEFT JOIN FETCH qs.questions
-       LEFT JOIN FETCH qs.sources
        WHERE qs.id = :id
        AND qs.ownerId = :memberId
        AND qs.status = 'COMPLETE'