message: Don't require for CMD and EXPOSE to be defined in Dockerfile used for
  deploying but allow those to be defined in upstream Dockerfiles
diff: @@ -74,20 +74,6 @@ module.exports = async function (path, {
  throw e
  }
  - if (!docker.some(cmd => cmd.name === 'CMD')) {
  - const e = Error('No `CMD` found in `Dockerfile`. ' +
  - 'See: https://docs.docker.com/engine/reference/builder/#/cmd')
  - e.userError = true
  - throw e
  - }
  -
  - if (!docker.some(cmd => cmd.name === 'EXPOSE')) {
  - const e = Error('No `EXPOSE` found in `Dockerfile`. A port must be supplied. ' +
  - 'See: https://docs.docker.com/engine/reference/builder/#/expose')
  - e.userError = true
  - throw e
  - }
  -
  const labels = {}
  docker
  .filter(cmd => cmd.name === 'LABEL')
  