// Rebuild the container of all branches every wednesday
CRON_SETTINGS = '''H H * * 3'''

pipeline {
  environment {
    imagename = "phaefelfinger/tv7playlist"
    registryCredential = 'phdockerhub'
    dockerImage = ''
  }
  
  agent { node { label 'docker' } }

  triggers {
    cron(CRON_SETTINGS)
  }

  stages {
    stage('Cloning repository') {
      steps {
        checkout scm
      }
    }

    stage('Building image') {
      steps{
        script {
          dockerImage = docker.build imagename
        }
      }
    }

    stage('Publishing image') {
      steps{
        script {
          docker.withRegistry( '', registryCredential ) {
            dockerImage.push('latest')
            dockerImage.push('3.1')
            dockerImage.push('3.1.0')
          }
        }
      }
    }

    stage('Remove unused docker image') {
      steps{
        sh "docker rmi $imagename:latest"
        sh "docker rmi $imagename:3.1"
        sh "docker rmi $imagename:3.1.0"
      }
    }
  }
}