Attempt cross region AppSync
Have we ruled out cross-region Appsync? There must be some limitations, but I think we could give it a go before we choose to move away from Appsync. I'm not a fan of it, but I it's a significant effort to fully swap out your API terminating service.
Step 19/24 : COPY --from=build-env /code/web/dist web/dist COPY failed: stat /var/lib/docker/overlay2/f8336032289518aa50379cdeadbeef1be876a8613f39aea7d0aefc231c66f50b/merged/code/web/dist: no such file or directory Error: running "docker build --file deployments/web/Dockerfile --quiet ." failed with exit code 1