fix: ECS deployment GitHub Action (#2005)

.github/workflows/ecs-deployment.yml

@@ -94,18 +94,16 @@ jobs:
             ENCRYPTION_KEY=${{ env.ENCRYPTION_KEY }}
             NEXT_PUBLIC_SENTRY_DSN=${{ env.NEXT_PUBLIC_SENTRY_DSN }}
       
-      # # This will only write to the public Rekor transparency log when the Docker
-      # # repository is public to avoid leaking data.  If you would like to publish
-      # # transparency data even for private images, pass --force to cosign below.
-      # # https://github.com/sigstore/cosign
-      # - name: Sign the published Docker image
-      #   env:
-      #     # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
-      #     TAGS: ${{ steps.meta.outputs.tags }}
-      #     DIGEST: ${{ steps.build-and-push.outputs.digest }}
-      #   # This step uses the identity token to provision an ephemeral certificate
-      #   # against the sigstore community Fulcio instance.
-      #   run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
+      - name: Sign the images with GitHub OIDC Token
+        env:
+          DIGEST: ${{ steps.build-and-push.outputs.digest }}
+          TAGS: ${{ steps.meta.outputs.tags }}
+        run: |
+          images=""
+          for tag in ${TAGS}; do
+            images+="${tag}@${DIGEST} "
+          done
+          cosign sign --yes ${images}
   
   deploy:
     needs: build