steps: - name: 'gcr.io/cloud-builders/docker' entrypoint: 'bash' args: ['-c', 'docker pull gcr.io/fldemo2/trackphoneusage-29856-dev:latest || exit 0'] - name: 'gcr.io/cloud-builders/docker' args: [ 'build', '-t', 'gcr.io/fldemo2/trackphoneusage-29856-dev:latest', '--file', 'Dockerfile.dev', '--cache-from', 'gcr.io/fldemo2/trackphoneusage-29856-dev:latest', '.' ] images: ['gcr.io/fldemo2/trackphoneusage-29856-dev:latest'] logsBucket: 'gs://fldemo2-cloudbuild-logs'