Jenkins CI/CD 파이프라인 업데이트

- Jenkinsfile 개선: SonarQube 분석, Quality Gate 추가
- 환경별 설정 파일 업데이트 (dev/staging/prod)
- Kustomize base 및 overlay 파일 정리
- prod 환경 overlay 파일 추가
- 배포 스크립트 및 검증 스크립트 업데이트
- 파이프라인 가이드 문서 업데이트

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

deployment/cicd/kustomize/base/user-service/cm-user-service.yaml

@@ -1,8 +1,7 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: user-service-config
-  
+  name: cm-user-service
   labels:
     app: user-service
     app.kubernetes.io/part-of: phonebill

deployment/cicd/kustomize/base/user-service/deployment.yaml

@@ -2,7 +2,6 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: user-service
-  
   labels:
     app: user-service
     app.kubernetes.io/part-of: phonebill
@@ -25,13 +24,13 @@ spec:
           name: http
         envFrom:
         - configMapRef:
-            name: phonebill-common-config
+            name: cm-common
         - configMapRef:
-            name: user-service-config
+            name: cm-user-service
         - secretRef:
-            name: phonebill-common-secret
+            name: secret-common
         - secretRef:
-            name: user-service-db-secret
+            name: secret-user-service
         resources:
           requests:
             cpu: "256m"

deployment/cicd/kustomize/base/user-service/secret-user-service.yaml

@@ -1,8 +1,7 @@
 apiVersion: v1
 kind: Secret
 metadata:
-  name: user-service-db-secret
-  
+  name: secret-user-service
   labels:
     app: user-service
     app.kubernetes.io/part-of: phonebill

deployment/cicd/kustomize/base/user-service/service.yaml

@@ -2,7 +2,6 @@ apiVersion: v1
 kind: Service
 metadata:
   name: user-service
-  
   labels:
     app: user-service
     app.kubernetes.io/part-of: phonebill