我的印象是M1/M2 Mac上的Docker（使用aarch 64/ARM架构）支持构建amd 64容器。而且看起来确实把它们造得很好。
但是在构建容器之后，它在最后一步失败了：
docker buildx build --platform x86_64 -t dark

Building docker image
[+] Building 1.6s (68/68) FINISHED
 => [internal] load build definition from Dockerfile                               0.0s
 => => transferring dockerfile: 32B                                                0.0s
 => [internal] load .dockerignore                                                  0.0s
 => => transferring context: 34B                                                   0.0s
 => [internal] load metadata for docker.io/library/ubuntu:20.04@sha256:7cc0576c7c  1.4s
 => [ 1/64] FROM docker.io/library/ubuntu:20.04@sha256:7cc0576c7c0ec2384de5cbf245  0.0s
 => => resolve docker.io/library/ubuntu:20.04@sha256:7cc0576c7c0ec2384de5cbf245f4  0.0s
 => CACHED [ 2/64] RUN DEBIAN_FRONTEND=noninteractive     apt update --allow-rele  0.0s
-- ignore 62 steps here for brevity --
 => CACHED [64/64] RUN mkdir -p       /home/dark/.vscode-server/extensions         0.0s
 => ERROR exporting to image                                                       0.0s
 => => exporting layers                                                            0.0s
 => => writing image sha256:4c0b1a1acd5c0c3c87ec9e2aa2c34cff9b6b698b83bfb6d0d10ff  0.0s
------
 > exporting to image:
------
error: failed to solve: operating system is not supported

我该怎么解决这个问题？

版本号

uname -a：
达尔文cotedor.lan 21.5.0 Darwin内核版本21.5.0：PDT 2022年4月26日星期二21：08：29; root：xnu-8020.121.3~4/RELEASE_ARM64_T8101 arm64 arm达尔文
docker --version：
Docker版本20.10.14，build a224086
Docker for Mac：
4.8.2（79419），发动机：20.10.14
操作系统：macOS 12.4 Monterey