steps:
  # Build step
  - name: 'gcr.io/cloud-builders/docker'
    args: ['build', '-t', 'gcr.io/$PROJECT_ID/myapp:$COMMIT_SHA', '.']
  
  # Push to registry
  - name: 'gcr.io/cloud-builders/docker'
    args: ['push', 'gcr.io/$PROJECT_ID/myapp:$COMMIT_SHA']
  
  # Deploy
  - name: 'gcr.io/cloud-builders/gcloud'
    args:
      - 'run'
      - 'deploy'
      - 'myapp'
      - '--image=gcr.io/$PROJECT_ID/myapp:$COMMIT_SHA'
      - '--region=us-central1'

images:
  - 'gcr.io/$PROJECT_ID/myapp:$COMMIT_SHA'

options:
  machineType: 'N1_HIGHCPU_8'
  logging: CLOUD_LOGGING_ONLY

steps:
  - name: 'gcr.io/cloud-builders/docker'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        docker pull gcr.io/$PROJECT_ID/myapp:latest || exit 0
        docker build \
          --cache-from gcr.io/$PROJECT_ID/myapp:latest \
          -t gcr.io/$PROJECT_ID/myapp:$COMMIT_SHA \
          -t gcr.io/$PROJECT_ID/myapp:latest \
          .
        docker push gcr.io/$PROJECT_ID/myapp:$COMMIT_SHA
        docker push gcr.io/$PROJECT_ID/myapp:latest

# Create trigger from GitHub
gcloud builds triggers create github \
  --repo-name=my-repo \
  --repo-owner=my-org \
  --branch-pattern="^main$" \
  --build-config=cloudbuild.yaml

# Create trigger with substitutions
gcloud builds triggers create github \
  --repo-name=my-repo \
  --repo-owner=my-org \
  --branch-pattern="^main$" \
  --build-config=cloudbuild.yaml \
  --substitutions=_ENV=production,_REGION=us-central1

steps:
  # These run in parallel
  - name: 'gcr.io/cloud-builders/npm'
    id: 'install-frontend'
    args: ['install']
    dir: 'frontend'
    waitFor: ['-']
  
  - name: 'gcr.io/cloud-builders/npm'
    id: 'install-backend'
    args: ['install']
    dir: 'backend'
    waitFor: ['-']
  
  # This waits for both
  - name: 'gcr.io/cloud-builders/npm'
    args: ['run', 'build']
    waitFor: ['install-frontend', 'install-backend']