CD: Drop push without pulling and use bulkier worker

.github/workflows/cd-prod.yml

@@ -13,7 +13,8 @@ env:
 
 jobs:
   deploy:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: bulkier
     steps:
       - uses: actions/checkout@v2
         with:
@@ -23,10 +24,11 @@ jobs:
           IMAGE_NAME="${DOCKER_REPO_NAME}:${TAG_VERSION}"
           SHA_IMAGE_NAME="${STAGING_DOCKER_REPO_NAME}:git-${GITHUB_SHA}"
 
-          echo "${{ secrets.DOCKERHUB_KEY }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
-
+          docker pull "${SHA_IMAGE_NAME}"
           docker image tag "${SHA_IMAGE_NAME}" "${IMAGE_NAME}"
 
+          echo "${{ secrets.DOCKERHUB_KEY }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
+
           docker push "${IMAGE_NAME}"
       - name: Get current date
         id: date