[CDK] ERROR: failed to solve: public.ecr.aws/sam/build-python3.9

 => ERROR [internal] load metadata for public.ecr.aws/sam/build-python3.9:latest                                                                                              0.3s
------
 > [internal] load metadata for public.ecr.aws/sam/build-python3.9:latest:
------
Dockerfile:4
--------------------
   2 |     # passed as build arg. The default allows to do `docker build .` when testing.
   3 |     ARG IMAGE=public.ecr.aws/sam/build-python3.7
   4 | >>> FROM $IMAGE
   5 |     
   6 |     ARG PIP_INDEX_URL

docker pull public.ecr.aws/sam/build-python3.9:latest --platform="linux/amd64"