Jenkins CI/CDJenkins

// Jenkinsfile
pipeline {
    agent {
        kubernetes {
            yaml """
apiVersion: v1
kind: Pod
spec:
  containers:
  - name: docker
    image: docker:24-dind
    securityContext:
      privileged: true
"""
        }
    }

    environment {
        REGISTRY = 'ghcr.io/myorg'
        IMAGE_NAME = 'myapp'
    }

    stages {
        stage('Test') {
            steps {
                sh 'npm ci'
                sh 'npm test -- --coverage'
            }
            post {
                always {
                    junit 'coverage/junit.xml'
                }
            }
        }

        stage('Build') {
            steps {
                container('docker') {
                    sh "docker build -t ${REGISTRY}/${IMAGE_NAME}:${GIT_COMMIT} ."
                }
            }
        }

        stage('Deploy') {
            when {
                branch 'main'
            }
            steps {
                withCredentials([string(credentialsId: 'k8s-token', variable: 'TOKEN')]) {
                    sh "kubectl set image deployment/myapp app=${REGISTRY}/${IMAGE_NAME}:${GIT_COMMIT}"
                }
            }
        }
    }

    post {
        failure {
            slackSend channel: '#alerts', message: "Build failed: ${env.JOB_NAME}"
        }
    }
}