build/build-ci-image.yaml

# Usage: gcloud builds submit --config build/build-ci-image.yaml .
steps:
- name: 'gcr.io/cloud-builders/docker'
  entrypoint: 'bash'
  args: ['-c', 'docker pull us-docker.pkg.dev/$PROJECT_ID/vscode-go-docker-repo/ci-image:latest || exit 0']
- name: 'gcr.io/cloud-builders/docker'
  # https://cloud.google.com/build/docs/optimize-builds/speeding-up-builds
  args: [
        'build',
        '-t', 'us-docker.pkg.dev/$PROJECT_ID/vscode-go-docker-repo/ci-image:latest',
        '--cache-from', 'us-docker.pkg.dev/$PROJECT_ID/vscode-go-docker-repo/ci-image:latest',
        '-f', 'build/Dockerfile',
        '.']
images: ['us-docker.pkg.dev/$PROJECT_ID/vscode-go-docker-repo/ci-image']