jenkins update

Jenkinsfile

@@ -1,11 +1,74 @@
-pipeline {  
-    agent any  
-        stages {  
-       	    stage("git_checkout") {  
-           	    steps {  
-              	    echo "cloning repository" 
-              	    echo "repo cloned successfully"  
-              	    }  
-         	    } 
+pipeline {
+    agent any
+
+    environment {
+        MAVEN_HOME = tool 'maven3.9.0' // Maven tool installed in Jenkins
+        IMAGE_NAME = 'veedhi1995/onlinestore-java-tomcat'
+        KUBECONFIG = credentials('yamlcred') // Kubernetes config stored in Jenkins
+    }
+
+    stages {
+        stage("git checkout") {
+            steps {
+                git branch: 'veedhi', url: 'https://github.com/veedhi25/onlinebookstore.git'
+            }
         }
+
+        stage("Build") {
+            steps {
+                script {
+                    sh "${MAVEN_HOME}/bin/mvn clean package"
+                }
+            }
+        }
+
+        stage("Image Build & Push") {
+            steps {
+                script {
+                    // Get latest Git commit hash
+                    def GIT_COMMIT = sh(script: 'git rev-parse --short HEAD', returnStdout: true).trim()
+                    def IMAGE_TAG = "${IMAGE_NAME}:${GIT_COMMIT}"
+
+                    echo "Building Docker image: ${IMAGE_TAG}"
+
+                    sh "docker build -t ${IMAGE_TAG} ."
+                    echo "Image built successfully"
+
+                    withCredentials([usernamePassword(credentialsId: 'hubcred', usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD')]) {
+                        sh "echo ${PASSWORD} | docker login -u ${USERNAME} --password-stdin"
+                        echo "Login successful"
+
+                        echo "Pushing Docker image: ${IMAGE_TAG}"
+                        sh "docker push ${IMAGE_TAG}"
+                        echo "Image pushed successfully"
+                    }
+
+                    // Store IMAGE_TAG for next stages
+                    env.BUILT_IMAGE_TAG = IMAGE_TAG
+                }
+            }
+        }
+
+        stage("Deploy to Kubernetes") {
+            steps {
+                script {
+                    // Ensure the environment variable is accessible
+                    def IMAGE_TAG = env.BUILT_IMAGE_TAG
+
+                    echo "Deploying image: ${IMAGE_TAG} to Kubernetes"
+
+                    // Set Kubernetes context
+                    sh "kubectl config use-context kubernetes-admin@kubernetes"
+                    sh "kubectl config current-context"
+
+                    // Update Kubernetes deployment with the specific image tag
+                    sh "kubectl set image deployment/onlinebookstore onlinebookstore=${IMAGE_TAG} -n onlinebookstore-ns"
+
+                    // Restart the deployment to apply changes
+                    sh "kubectl rollout restart deployment onlinebookstore -n onlinebookstore-ns"
+                    echo "Deployment updated successfully with image ${IMAGE_TAG}"
+                }
+            }
+        }
+    }
 }

dockerfile

@@ -0,0 +1,11 @@
+FROM  tomcat:latest   
+# set env variables
+ENV CATALINA_HOME /usr/local/tomcat
+ENV APP_NAME onlinebookstore
+#copy the war file to webappsdirectory
+COPY target/${APP_NAME}.war   ${CATALINA_HOME}/webapps/
+#Expose port
+EXPOSE 8080
+#start tomcat
+CMD [ "catalina.sh" , "run" ]
+