example

cloudbuild.yaml

steps:
# build steps
- name: 'gcr.io/cloud-builders/docker'
  args: ['pull', 'gcr.io/$PROJECT_ID/project:latest']

- name: 'gcr.io/cloud-builders/docker'
  args: [ 'build', '--cache-from', 'gcr.io/$PROJECT_ID/project:latest', '-t', 'gcr.io/$PROJECT_ID/projetc:latest', '-t', 'gcr.io/$PROJECT_ID/project', '.' ]

- name: 'gcr.io/cloud-builders/docker'
  args: [ 'tag', 'gcr.io/$PROJECT_ID/project', 'gcr.io/$PROJECT_ID/project:stable-v-$TAG_NAME']

- name: 'gcr.io/cloud-builders/docker'
  args: ['push', 'gcr.io/$PROJECT_ID/project:stable-v-$TAG_NAME']
 
# deployment step
- name: 'gcr.io/cloud-builders/kubectl'
  args: ['set', 'image', 'deployment/project', 'project=gcr.io/$PROJECT_ID/project:stable-v-$TAG_NAME', '--namespace', 'production']
  env:
  - 'CLOUDSDK_COMPUTE_ZONE=us-east4-a'
  - 'CLOUDSDK_CONTAINER_CLUSTER=prod-cluster'

# image update steps(two tags: latest and branch-revision)
images:
- 'gcr.io/$PROJECT_ID/project:latest'
- 'gcr.io/$PROJECT_ID/project:stable-v-$TAG_NAME'

timeout: 60m