podTemplate(containers: [
    containerTemplate(
        name: 'gradle', 
        image: 'gradle:7.6.0-jdk11', 
        command: 'sleep', 
        args: '30d'
        )
  ]) {

    node(POD_LABEL) {
        stage('Get a Gradle project') {
            container('gradle') {
                stage('Build a Gradle project') {
                    sh '''
                    echo "gradle build"
                    '''
                }
            }
        }

    }
}

pipeline {
  agent {
    kubernetes {
      yaml '''
        apiVersion: v1
        kind: Pod
        metadata:
          labels:
            some-label: some-label-value
        spec:
          containers:
          - name: gradle
            image: gradle:7.6.0-jdk11
            tty: true
        '''
      retries 2
    }
  }
  stages {
    stage('Run gradle') {
      steps {
        container('gradle') {
          sh './gradlew clean build'
        }
      }
    }
  }
}