feat: Added SonarQube code analysis into pipeline

.github/workflows/pr-check.yml

@@ -21,7 +21,55 @@ jobs:
           java-version: '25'
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0b6dd653ba04f4f93bf581ec31e66cbd7dcb644d
 
       - name: Build with Gradle
-        run: ./gradlew clean build
+        run: ./gradlew clean build
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-artifact
+          path: |
+            build/classes
+            build/libs
+            build/test-results
+          retention-days: 1
+
+  sonarcloud:
+    name: SonarCloud Analysis
+    needs: build-and-test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code (full history for PR analysis)
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK 25
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '25'
+
+      - name: Download build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: build-artifact
+          path: build
+
+      - name: SonarCloud Scan
+        uses: SonarSource/sonarcloud-github-action@e44258b109568baa0df60ed515909fc6c72cba92
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          args: >
+            -Dsonar.host.url=https://sonarcloud.io
+            -Dsonar.organization=${{ secrets.SONAR_ORGANIZATION }}
+            -Dsonar.projectKey=${{ secrets.SONAR_PROJECT_KEY }}
+            -Dsonar.sources=.
+            -Dsonar.java.binaries=build/classes/java/main
+            -Dsonar.java.test.binaries=build/classes/java/test
+            -Dsonar.junit.reportPaths=build/test-results/test

src/main/java/com/devoops/backend_poc/controller/TestController.java

@@ -33,4 +33,5 @@ public String test() {
             MDC.remove("requestId");
         }
     }
+
 }