Jenkins_k8Deploy.txt

#pipeline syntax
#git: Git
#withCredentials: Bind credentials to variables.

node{
    stage("git clone"){
        
       git credentialsId: 'GIT_CREDS', url: 'https://github.com/sathyadevops/mvnproj.git'
    }
    stage("clean comple"){
        def mavenHome = tool name: "maven", type: "maven"
        def mavenCMD = "${mavenHome}/bin/mvn"
        sh "${mavenCMD} clean compile test package" 
    }
    stage("docker build"){
        sh "docker build -t sathyadevops/jenkins_k8image ."
    }
    stage("docker push"){
        withCredentials([string(credentialsId: 'DOCKER_HUB_CREDS', variable: 'DOCKER_HUB_CREDS')]) {
           sh "docker login -u sathyadevops -p ${DOCKER_HUB_CREDS}"
        }
        sh "docker push sathyadevops/jenkins_k8image"
    }
}
===============================================================

pipeline{
    agent any
    environment {
        VAR_DOCKER_HUB_CREDS = credentials('dockerhub-creds')
    }

   stages{
    stage("git clone"){
        steps{
       git credentialsId: 'GIT_CREDS', url: 'https://github.com/sathyadevops/mvnproj.git'
        }
    }
    //stage("clean comple"){
     //   steps{
    
    //    sh "/usr/bin/mvn clean compile test package"
    //    }
    //}
    stage("docker login"){
        steps{
        sh "echo $VAR_DOCKER_HUB_CREDS_PSW | docker login -u $VAR_DOCKER_HUB_CREDS_USR --password-stdin"
        }
    }

    stage("docker build"){
        steps{
        sh "docker build -t sathyadevops/jenkins_k8image ."
        }
    }
    stage("docker push"){
        steps{
        sh "docker push sathyadevops/jenkins_k8image"
        }
    }
   }
}