pipeline {

    agent any
    
    parameters {
        choice(name: 'VERSION', choices: ['1.1.0', '1.2.0', '1.3.0'], description: '')
        booleanParam(name: 'executeTests', defaultValue: true, description: '')
    }
    stages {
    
        stage("build") {
        
            steps {
                echo 'building the application...'
            }
        }
        
        stage("test") {
        
            when {
                expression {
                    params.executeTests
                }
            }
            steps {
                echo 'testing the application...'
            }
        }
        
        stage("deploy") {
        
            steps {
                echo 'deplying the application...'
                echo "deploying version ${params.VERSION}"
            }
        }
    }   
}