Where to find:

• home: ~/jenkins
• workspace: workspace/
• project definition: jobs//config.xml

Overview:

• define a step stage <STEP_LABEL>
• checkout-code git <REPO_URL>
• launch command in a shell sh <COMMAND>

node{
    stage 'check-out from GitHub'
    git 'https://github.com/GradedJestRisk/spring-petclinic.git'
    
    stage 'compile'
    sh 'mvn clean package'    
}