pipeline {
    agent any

    environment {
        withCredentials([usernamePassword(credentialsId: 'QuizServerCreds', usernameVariable: 'USERNAME', passwordVariable: 'SERVER_IP')]) {
            SERVER_USERNAME = "${USERNAME}"
            SERVER_IP = "${SERVER_IP}"            
        }
    }

    stages {
        stage('Copy Files on Server') {
            steps {
                sh 'ssh-keyscan ${SERVER_IP} > ~/.ssh/known_hosts'
                sh 'rsync -avzhe --exclude 'Jenkinsfile' ssh * ${SERVER_USERNAME}@${SERVER_IP}:/var/www/public_html'
            }
        }
    }
}