spec:
  steps:
    - name: write-message
      image: ubuntu
      script: |
        #!/usr/bin/env bash
        set -xe
        if [ "$(workspaces.messages.bound)" == "true" ] ; then
          echo hello! > $(workspaces.messages.path)/message
        fi        
  workspaces:
    - name: messages
      description: |
        The folder where we write the message to. If no workspace
        is provided then the message will not be written.        
      optional: true
      mountPath: /home/ubuntu/tekton