pipeline {
    agent any

    options {
        buildDiscarder(logRotator(numToKeepStr: '20'))
        timeout(time: 30, unit: 'MINUTES')
    }

    stages {
        stage('Validate Workspace') {
            steps {
                sh 'pwd'
                sh 'ls -la'
            }
        }

        stage('Swarm Check') {
            steps {
                sh 'docker service ls --format "{{.Name}} {{.Replicas}}"'
            }
        }
    }
}