want to update

Dockerfile

@@ -1,2 +1,2 @@
-FROM tomcat:8.0.21-jre8
+FROM tomcat:9.0-jdk11
 COPY target/maven-web-application.war /usr/local/tomcat/webapps/maven-web-application.war

JenkinsFileDocker

@@ -0,0 +1,68 @@
+pipeline
+{
+    agent any
+
+    tools
+    {
+        maven 'Maven_3.9.7'
+    }
+
+    environment
+    {
+        buildNumber = "${BUILD_NUMBER}"
+    }
+
+     stages
+     {
+        stage('Checkout code to Jenkins from GitHub')
+        {
+            steps()
+            {
+                git branch: 'master', url: 'https://github.com/itspranavdubey/maven-web-application.git'
+            }
+        }
+        stage('Build Artifact Using Maven')
+        {
+            steps()
+            {
+            sh 'mvn clean package'
+            }
+        }
+        stage("Build Docker Image")
+        {
+            steps()
+            {
+                sh 'docker build -t itspranavdubey/logindockerjenkins:${buildNumber} .'
+            }
+        }
+        stage("Authenticate and Push Docker Image To Docker Hub")
+        {
+            steps()
+            {
+                withCredentials([string(credentialsId: 'Dockerhubpassword', variable: 'Dockerhubpassword')])
+                {
+                    sh 'docker login -u itspranavdubey -p ${Dockerhubpassword}'
+                }
+                sh 'docker push itspranavdubey/logindockerjenkins:${buildNumber}'
+            }
+        }
+        stage('Remove Docker Images From Jenkins Locally')
+        {
+            steps()
+            {
+                sh 'docker rmi -f itspranavdubey/logindockerjenkins:${buildNumber}'
+            }
+        }
+        stage('Deploy App to Deployement Server')
+        {
+            steps()
+            {
+                sshagent(['DeploymentServer_SSH']) 
+                {
+                    sh "ssh -o StrictHostKeyChecking=no [email protected] docker rm -f mavenwebapplication || true"
+                    sh "ssh -o StrictHostKeyChecking=no [email protected] docker run -d --name mavenwebapplication -p 8080:8080 itspranavdubey/logindockerjenkins:$Build_Number"
+                }
+            }
+        }
+     } 
+}