Create JenkinsFile

JenkinsFile

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+pipeline {
+    agent any
+    
+    environment {
+        MAVEN_HOME = tool 'maven'
+        DOCKER_REGISTRY = 'your-jfrog-url'
+        DOCKER_IMAGE = 'spring-petclinic'
+        JFROG_REPO = 'your-jfrog-repo'
+        CHECKSTYLE_REPORT = 'checkstyle-result.xml'
+        JACOCO_REPORT = 'target/site/jacoco/jacoco.xml'
+        SONAR_URL = 'http://localhost:9091' // Adjust URL according to your SonarQube instance
+    }
+
+    stages {
+        stage('SCM Clone') {
+            steps {
+                git branch: 'main', url: 'https://github.com/NimalDas/spring-petclinic.git'
+            }
+        }
+
+        stage('Maven Build') {
+            steps {
+                sh "${MAVEN_HOME}/bin/mvn clean package"
+            }
+        }
+        stage('Checkstyle') {
+            steps {
+                sh "${MAVEN_HOME}/bin/mvn checkstyle:checkstyle"
+                junit allowEmptyResults: true, testResults: '**/${CHECKSTYLE_REPORT}'
+            }
+        }
+        stage('Unit Tests & JaCoCo') {
+            steps {
+                sh "${MAVEN_HOME}/bin/mvn test jacoco:report"
+                junit allowEmptyResults: true, testResults: '**/surefire-reports/*.xml'
+                jacoco(execPattern: 'target/**/*.exec', classPattern: '**/target/classes', sourcePattern: '**/src/main/java')
+            }
+        }
+
+        stage('SonarQube Analysis') {
+            steps {
+                withCredentials([string(credentialsId: 'sonartoken', variable: 'SONAR_TOKEN')]) {
+                    withSonarQubeEnv('sonarqube') {
+                        sh "${MAVEN_HOME}/bin/mvn sonar:sonar -Dsonar.host.url=${SONAR_URL} -Dsonar.login=${SONAR_TOKEN}"
+                    }
+                }
+            }
+        }
+        stage('Docker Build & Push') {
+            steps {
+                script {
+                    docker.build("${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${env.BUILD_NUMBER}")
+                }
+            }
+        }
+    }
+}