Modified cloudbuild file

cloudbuild.yaml

@@ -1,17 +1,17 @@
 steps:
-  - name: 'Delete previous containers'
+  - name: 'gcr.io/cloud-builders/docker'
     entrypoint: 'bash'
     args:
       - '-c'
       - 'docker ps -a | grep "gcr.io/shivam-contacts-generator/github.com/shivamgutgutia/contactsgeneratorbackend" | awk "{print $1}" | xargs -r docker rm -f'
 
-  - name: 'Delete previous images'
+  - name: ''gcr.io/cloud-builders/docker'
     entrypoint: 'bash'
     args:
       - '-c'
       - 'docker images -a | grep "gcr.io/shivam-contacts-generator/github.com/shivamgutgutia/contactsgeneratorbackend" | awk "{print $3}" | xargs -r docker rmi -f'
 
-  - name: 'Build new image'
+  - name: 'gcr.io/cloud-builders/docker'
     args:
       - 'build'
       - '-t'
@@ -20,18 +20,18 @@ steps:
       - 'Dockerfile'
       - '.'
 
-  - name: 'Push new image to Container Registry'
+  - name: 'gcr.io/cloud-builders/docker'
     args:
       - 'push'
       - 'gcr.io/shivam-contacts-generator/github.com/shivamgutgutia/contactsgeneratorbackend:$COMMIT_SHA'
 
-  - name: 'Fetch commit SHA'
+  - name: 'gcr.io/cloud-builders/gcloud'
     entrypoint: 'bash'
     args:
       - '-c'
       - 'COMMIT_SHA=$(echo $COMMIT_SHA)'
 
-  - name: 'Deploy new revision to Cloud Run'
+  - name: 'gcr.io/cloud-builders/gcloud'
     entrypoint: 'bash'
     args:
       - '-c'