jenkins declarative pipeline bat example

Example 1: jenkins declarative pipeline for loop

def map = [
        Bob  : 42,
        Alice: 54,
        Max  : 33
]

pipeline {
    agent any

    stages {
        stage('Initialize') {
            steps {
                script {
                    map.each { entry ->
                        stage (entry.key) {
                            timestamps{
                                echo "$entry.value"
                            }
                        }
                    }
                }
            }
        }
    }
}

Example 2: jenkins declarative pipeline variables in stage

pipeline {
    agent any
    environment {
        ENV_NAME = "${env.BRANCH_NAME}"
    }

    // ----------------

    stages {
        stage('Build Container') {
            steps {
                echo 'Building Container..'

                script {
                    if (ENVIRONMENT_NAME == 'development') {
                        ENV_NAME = 'Development'
                    } else if (ENVIRONMENT_NAME == 'release') {
                        ENV_NAME = 'Production'
                    }
                }
                echo 'Building Branch: ' + env.BRANCH_NAME
                echo 'Build Number: ' + env.BUILD_NUMBER
                echo 'Building Environment: ' + ENV_NAME

                echo "Running your service with environemnt ${ENV_NAME} now"
            }
        }
    }
}