Jenkins 파이프라인 단계 구조 개선

- Build와 SonarQube Analysis 단계 분리
- SonarQube Analysis와 Quality Gate 통합
- SKIP_SONARQUBE 파라미터로 조건부 실행 구현
- 백엔드 CI/CD 가이드에 수정사항 반영

deployment/cicd/Jenkinsfile

@@ -71,6 +71,7 @@ podTemplate(
         def props
         def imageTag = getImageTag()
         def environment = params.ENVIRONMENT ?: 'dev'
+        def skipSonarQube = params.SKIP_SONARQUBE ?: false
         def services = ['api-gateway', 'user-service', 'bill-service', 'product-service', 'kos-mock']
         
         try {
@@ -91,14 +92,21 @@ podTemplate(
                 }
             }
 
-            stage('Build & SonarQube Analysis') {
+            stage('Build') {
                 container('gradle') {
-                    withSonarQubeEnv('SonarQube') {
                     sh """
                         chmod +x gradlew
                         ./gradlew build -x test
                     """
+                }
+            }
 
+            stage('SonarQube Analysis & Quality Gate') {
+                when {
+                    not { skipSonarQube }
+                }
+                container('gradle') {
+                    withSonarQubeEnv('SonarQube') {
                         // 각 서비스별 테스트 및 SonarQube 분석
                         services.each { service ->
                             sh """
@@ -110,11 +118,8 @@ podTemplate(
                                     -Dsonar.exclusions=**/config/**,**/entity/**,**/dto/**,**/*Application.class,**/exception/**
                             """
                         }
-                    }
-                }
-            }
                         
-            stage('Quality Gate') {
+                        // Quality Gate 확인
                         timeout(time: 10, unit: 'MINUTES') {
                             def qg = waitForQualityGate()
                             if (qg.status != 'OK') {
@@ -122,6 +127,8 @@ podTemplate(
                             }
                         }
                     }
+                }
+            }
 
             stage('Build & Push Images') {
                 timeout(time: 30, unit: 'MINUTES') {