The base build to get s6-overlay rootfs in your base image. What's that?
Login to AWS ECR
aws ecr get-login-password --region us-east-1 --profile voma | docker login --username AWS --password-stdin 385480189778.dkr.ecr.us-east-1.amazonaws.com
Build the image (multi-arch)
docker buildx build --platform linux/amd64,linux/arm64 -t 385480189778.dkr.ecr.us-east-1.amazonaws.com/voma-s6-overlay-rootfs:latest --push .
COPY --from=385480189778.dkr.ecr.us-east-1.amazonaws.com/voma-s6-overlay-rootfs:latest ["/", "/"]