pipeline {                                                
      agent {
          docker { image 'kernel-builder' }
      }

      options {
          timeout(time: 4, unit: 'HOURS')
      }

      stages {
          stage('Build') {
              steps {
                  sh 'make defconfig'
                  sh 'make -j$(nproc)'
              }
          }

          stage('Archive') {
              steps {
                  archiveArtifacts artifacts: 'arch/x86/boot/bzImage', fingerprint: true
              }
          }
      }
  }