// Example Jenkinsfile for DooD (Docker-out-of-Docker) builds
// Jenkins spawns a temporary container with the specified image,
// runs the build inside it, and cleans up when done.

pipeline {
    // Each stage can use a different Docker image
    agent none

    stages {
        stage('Build') {
            agent {
                docker { image 'node:20' }
            }
            steps {
                sh 'npm install'
                sh 'npm run build'
            }
        }

        stage('Test') {
            agent {
                docker { image 'node:20' }
            }
            steps {
                sh 'npm test'
            }
        }

        // Example: stage with a different image
        // stage('Deploy') {
        //     agent {
        //         docker { image 'alpine:latest' }
        //     }
        //     steps {
        //         sh 'echo "Deploying..."'
        //     }
        // }
    }
}