jenkinsfile

pipeline
{
    agent 
    {
        docker
        {
            image 'anandhi23/ubuntu-docker-agent:v1' 
            args '--user root -v /var/run/docker.sock:/var/run/docker.sock'
        }     
    }

    stages
    {
        stage('Checkout')
        {
            steps
            {
				echo "Cloning App repository started"
			
				git branch: 'master', url: 'https://github.com/Anandhi-23/Python_CICD.git'
                
				echo "Cloning App repository ended"
            }         
        }//checkout stage closure

        stage('Build and Push Docker Image')
        {
             steps
             {
                script
                {
                    echo "Building and pushing the image to DockerHub started"
                    
                    sh 'docker build -t ${DOCKER_IMAGE} .'
                    
					def dockerImage = docker.image("${DOCKER_IMAGE}")
                    docker.withRegistry('https://index.docker.io/v1/', "docker_creds") {
                        dockerImage.push()
                    }
                    
                    echo "Building and pushing the image to DockerHub ended"

                }
             }
        }//build and push docker image stage closure
        
        stage('Update Deployment File')
        {
           
            steps
            {
                withCredentials([string(credentialsId: 'github_creds', variable: 'GITHUB_TOKEN')])
                {
                    sh '''
                        git config --global --add safe.directory /var/lib/jenkins/workspace/<"ENTER YOUR JENKINS PIPELINE NAME">
                        git config --global user.email <"ENTER YOUR MAIL ID CONFIGURED WITH VERSION CONTROL SYSTEM">
                        git config --global user.name <"ENTER YOUR VERSION CONTROL SYSTEM USER NAME">
                        BUILD_NUMBER=${BUILD_NUMBER}
                        sed -i "s/python-cicd:.*/python-cicd:${BUILD_NUMBER}/g" python-app-manifests/deployment.yml
                        git add python-app-manifests/deployment.yml
                        git commit -m "Update deployment image to version ${BUILD_NUMBER}"
                        git push https://${GITHUB_TOKEN}@github.com/${GIT_USER_NAME}/${GIT_REPO_NAME} HEAD:master
                    '''
                }
            }
        }//update deployment file stage closure
    }//stages closure
}//pipeline closure