Create scripted-jenkins

declatariveway-script

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+pipeline {
+    triggers {
+  pollSCM '* * * * *'
+}
+    options {
+  buildDiscarder logRotator(artifactDaysToKeepStr: '', artifactNumToKeepStr: '', daysToKeepStr: '2', numToKeepStr: '2')
+}
+    agent any
+
+    tools {
+        // Install the Maven version configured as "M3" and add it to the path.
+        maven "mvn3.9.1"
+    }
+
+    stages {
+        stage('checkoutcode') {
+            steps {
+                 git 'https://github.com/sudip243/Todolist.git'
+                }
+                }
+        stage('build') {
+            steps {
+                sh "mvn clean package"
+                }
+            }
+            }
+}

dockerfile

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+FROM tomcat:8.0.20-jre8
+COPY target/SemesterProject.war /usr/local/tomcat/webapps/SemesterProject.war

jenkins_docker-integration

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+node{
+    def buildNumber = BUILD_NUMBER
+    stage("Git Clone"){
+        git 'https://github.com/sudip243/Todolist.git'
+    }
+    stage("Maven Clean Package"){
+        def mavenHome= tool name: "mvn3.9.2",type: "maven"
+        sh "${mavenHome}/bin/mvn clean package"
+    }
+    stage("Build Docker Image"){
+        sh "docker build -t sudipto243/java-web-app:${buildNumber} ."
+    }
+    stage("Docker login and Push"){
+        withCredentials([string(credentialsId: 'dockerhubpass', variable: 'dockerhubpass')]) {
+            sh "docker login -u sudipto243 -p ${dockerhubpass}"
+}
+        sh "docker push sudipto243/java-web-app:${buildNumber}"
+    }
+    stage("Deploy application as docker container in docker deployment server"){
+        sshagent(['docker_dev_server_ssh']) {
+          sh "ssh -o StrictHostkeyChecking=no [email protected] docker rm -f javawebappcontainer || true"
+          sh "ssh -o StrictHostkeyChecking=no [email protected] docker run -d -p 8080:8080 --name javawebappcontainer sudipto243/java-web-app:${buildNumber}"
+}
+    }
+}
+

jenkinspipeline tomcat deployment

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+node {
+    //checkout stage
+    stage ('checkout'){
+        git 'https://github.com/sudip243/Todolist.git'
+    }
+    //build stage
+    stage ('build'){
+        sh "mvn clean package"
+    }
+    //deploy app into tomacat server
+    stage ('deploy into tomcat'){
+        sshagent(['9c752a68-2ab7-4ce5-98d3-651ae91cfb14']) {
+    sh "scp -o StrictHostKeyChecking=no target/SemesterProject.war [email protected]:/opt/apache-tomcat-9.0.73/webapps"
+}
+    }
+
+}//closing node

scripted-jenkins

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+node {
+    def mavenHome = tool name : "mvn3.9.1"
+    //checkout stage
+    stage ('checkout Code') {
+        git 'https://github.com/sudip243/Todolist.git'
+    }
+    stage ('Build') {
+        sh "$mavenHome/bin/mvn clean package"
+    }
+}//closing node