def awesomeVersion = 'UNKNOWN'

pipeline {
  agent { label 'docker' }
  stages {
    stage('build') {
      steps {
        script {
          awesomeVersion = sh(returnStdout: true, script: 'echo 0.0.1')
        }
      }
    }
    stage('output_version') {
      steps {
        echo "awesomeVersion: ${awesomeVersion}"
      }
    }
  }
}