cloudbuild.yaml

steps:
#update image tag
#kaniko
- name: 'gcr.io/kaniko-project/executor:latest'
  id: kaniko
  args:
     [
        "--dockerfile=./${_LOC_URL}/Dockerfile",
        "--context=dir:///workspace/${_LOC_URL}",
        "--cache=true",
        "--cache-ttl=24h",
        "--destination=${_IMG_URL}:${SHORT_SHA}"
     ]

#change in Deployment file
- name: 'gcr.io/cloud-builders/gcloud'
  id: update image in deployment file
  entrypoint: /bin/sh
  args:
  - '-c'
  - |
        sed -i "s|IMG_PATH|${_IMG_URL}|g" ./k8s-manifest/${_LOC_URL}/deployment.yaml
        sed -i "s|latest|${SHORT_SHA}|g" ./k8s-manifest/${_LOC_URL}/deployment.yaml
        
#deploy kubernetes manifest
- name: 'gcr.io/cloud-builders/kubectl'
  id: Deploy deployment.yaml
  args: ['apply' , '-f' , './k8s-manifest/${_LOC_URL}/']
  env:
  - 'CLOUDSDK_COMPUTE_REGION=${_REGION}'
  - 'CLOUDSDK_CONTAINER_CLUSTER=${_CLUSTERNAME}'

timeout: 3600s
options:
    dynamic_substitutions: true
    workerPool:
      'projects/${PROJECT_ID}/locations/${_REGION}/workerPools/gke-vpn-pool'