Check for image existence using aws ecr list-images

.github/workflows/aws_deploy.yml

@@ -49,16 +49,14 @@ jobs:
         with:
           mask-password: 'true'
 
-      - name: Check if image with tag already exists (hide errors?)
-        run: |
-          aws ecr describe-images --repository-name=$repository --image-ids=imageTag=${{ github.sha }} 2> /dev/null
-
       - name: Check if image with tag already exists
+        id: check-image-exists
         run: |
-          aws ecr describe-images --repository-name=$repository --image-ids=imageTag=${{ github.sha }}
+          echo "image-exists=$(if aws ecr list-images --no-paginate --repository-name=$repository --query "imageIds[*].imageTag" | grep -q ${{ github.sha }}; then echo true; else echo false; fi)" >> $GITHUB_ENV
 
       - name: Build, tag, and push docker image to ECR
         id: build-image
+        if: ${{ ! env.image-exists }}
         env:
           registry: ${{ steps.ecr-login.outputs.registry }}
           commit_tag: ${{ github.sha }}