steps:
- name: 'gcr.io/cloud-builders/docker'
  id: Docker Version
  args: ["version"]
- name: 'alpine'
  id:  Hello Cloud Build
  args: ["echo", "Hello Cloud Build"]
- name: 'rocker/r-base'
  id: Hello R
  args: ["Rscript", "-e", "paste0('1 + 1 = ', 1+1)"]
