node {
    def img
    stage('Preparation') { // for display purposes
        img = docker.build('ium-helloworld')
    }
    stage('Train') {
            img.inside('-v /tmp/mlruns:/tmp/mlruns -v /mlruns:/mlruns ') {
                sh 'ls -l /tmp/mlruns'
                sh 'ls -l /mlruns'
		sh './train.py'
                sh 'ls -l /tmp/mlruns'
                sh 'ls -l /mlruns'
            }
    }

}