[chore] dev 환경 마이그레이션 허용

Author: LeeMinwoo115

backend/src/main/java/com/back/domain/payment/order/entity/Order.java

@@ -16,6 +16,7 @@
 import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.OneToOne;
+import jakarta.persistence.SequenceGenerator;
 import jakarta.persistence.Table;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
@@ -31,7 +32,12 @@
 @Builder
 public class Order extends BaseEntity {
 	@Id
-	@GeneratedValue(strategy = GenerationType.AUTO)
+	@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "orders_seq")
+	@SequenceGenerator(
+		name = "orders_seq",
+		sequenceName = "orders_seq",
+		allocationSize = 100
+	)
 	private Long id;
 
 	@OneToOne(fetch = FetchType.LAZY)

backend/src/main/java/com/back/global/config/FlywayDevCleanMigrateConfig.java

@@ -6,9 +6,7 @@ spring:
   jpa:
     database-platform: org.hibernate.dialect.PostgreSQLDialect
     hibernate:
-      ddl-auto: create-drop
-  flyway:
-    enabled: false
+      ddl-auto: validate
 
 security:
   password:

backend/src/main/resources/application-dev.yml

@@ -41,7 +41,6 @@ spring:
     baseline-version: 1
     baseline-description: "baseline existing schema"
     locations: classpath:db/migration
-    repair-on-migrate: true
 
   security:
     oauth2:

backend/src/main/resources/application.yml

@@ -0,0 +1,12 @@
+-- 1. orders_seq 생성 (없을 경우)
+CREATE SEQUENCE IF NOT EXISTS orders_seq
+    START WITH 1
+    INCREMENT BY 100;
+
+-- 2. orders_seq increment 값 보정 (이미 존재하는 경우 대비)
+ALTER SEQUENCE orders_seq
+    INCREMENT BY 100;
+
+-- 3. orders.id 기본값을 orders_seq로 강제
+ALTER TABLE orders
+    ALTER COLUMN id SET DEFAULT nextval('orders_seq');