linux/amd64=alpine:3.8
linux/arm=arm32v6/alpine:3.8
linux/arm64=arm64v8/alpine:3.8
linux/ppc64le=ppc64le/alpine:3.8
linux/s390x=s390x/alpine:3.8
windows/amd64/1809=mcr.microsoft.com/windows/nanoserver:1809
windows/amd64/1903=mcr.microsoft.com/windows/nanoserver:1903
windows/amd64/1909=mcr.microsoft.com/windows/nanoserver:1909