cloudbuild.yaml

# https://cloud.google.com/cloud-build/docs/speeding-up-builds
# https://cloud.google.com/cloud-build/docs/configuring-builds/substitute-variable-values
substitutions:
  _IMAGE: 'gcr.io/wb-genesis/bitbucket.org/whiteblockio/genesis'
timeout: '300s'
steps:
  # allow these steps to fail, they try to pull cache first
  - name: 'gcr.io/cloud-builders/docker'
    entrypoint: 'bash'
    args: ['-c', 'docker pull $_IMAGE:$BRANCH_NAME || true' ]
  # build final docker image
  - name: 'gcr.io/cloud-builders/docker'
    args: [
      'build',
      '-t', '$_IMAGE:$BRANCH_NAME',
      '-t', '$_IMAGE:$COMMIT_SHA',
      '--cache-from', '$_IMAGE:$BRANCH_NAME',
      '.'
    ]
  # push docker image tag(s) one branch, one immutable
  - name: 'gcr.io/cloud-builders/docker'
    args: [ 'push', '$_IMAGE:$COMMIT_SHA' ]
  - name: 'gcr.io/cloud-builders/docker'
    args: [ 'push', '$_IMAGE:$BRANCH_NAME' ]