Add Platform Defs

Author: Sheyla Trudo

cni/Dockerfile

@@ -52,6 +52,6 @@ COPY --from=dropgz /go/bin/dropgz dropgz
 ENTRYPOINT [ "/dropgz" ]
 
 # skopeo inspect docker://mcr.microsoft.com/oss/kubernetes/windows-host-process-containers-base-image:v1.0.0 --format "{{.Name}}@{{.Digest}}"
-FROM mcr.microsoft.com/oss/kubernetes/windows-host-process-containers-base-image@sha256:b4c9637e032f667c52d1eccfa31ad8c63f1b035e8639f3f48a510536bf34032b as windows
+FROM --platform=windows/${ARCH} mcr.microsoft.com/oss/kubernetes/windows-host-process-containers-base-image@sha256:b4c9637e032f667c52d1eccfa31ad8c63f1b035e8639f3f48a510536bf34032b as windows
 COPY --from=dropgz /go/bin/dropgz dropgz.exe
 ENTRYPOINT [ "/dropgz.exe" ]

cns/Dockerfile

@@ -31,7 +31,7 @@ ENTRYPOINT [ "/usr/local/bin/azure-cns" ]
 EXPOSE 10090
 
 # skopeo inspect docker://mcr.microsoft.com/oss/kubernetes/windows-host-process-containers-base-image:v1.0.0 --format "{{.Name}}@{{.Digest}}"
-FROM mcr.microsoft.com/oss/kubernetes/windows-host-process-containers-base-image@sha256:b4c9637e032f667c52d1eccfa31ad8c63f1b035e8639f3f48a510536bf34032b as windows
+FROM --platform=windows/${ARCH} mcr.microsoft.com/oss/kubernetes/windows-host-process-containers-base-image@sha256:b4c9637e032f667c52d1eccfa31ad8c63f1b035e8639f3f48a510536bf34032b as windows
 COPY --from=builder /azure-container-networking/cns/kubeconfigtemplate.yaml kubeconfigtemplate.yaml
 COPY --from=builder /azure-container-networking/npm/examples/windows/setkubeconfigpath.ps1 setkubeconfigpath.ps1
 COPY --from=builder /go/bin/azure-cns /azure-cns.exe

npm/windows.Dockerfile

@@ -8,7 +8,7 @@ COPY . .
 RUN GOOS=windows CGO_ENABLED=0 go build -v -o /usr/local/bin/azure-npm.exe -ldflags "-X main.version="$VERSION" -X "$NPM_AI_PATH"="$NPM_AI_ID"" -gcflags="-dwarflocationlists=true" npm/cmd/*.go
 
 # intermediate for win-ltsc2022
-FROM mcr.microsoft.com/windows/servercore@sha256:45952938708fbde6ec0b5b94de68bcdec3f8c838be018536b1e9e5bd95e6b943 as windows
+FROM --platform=windows/amd64 mcr.microsoft.com/windows/servercore@sha256:45952938708fbde6ec0b5b94de68bcdec3f8c838be018536b1e9e5bd95e6b943 as windows
 COPY --from=builder /usr/local/src/npm/examples/windows/kubeconfigtemplate.yaml kubeconfigtemplate.yaml
 COPY --from=builder /usr/local/src/npm/examples/windows/setkubeconfigpath.ps1 setkubeconfigpath.ps1
 COPY --from=builder /usr/local/src/npm/examples/windows/setkubeconfigpath-capz.ps1 setkubeconfigpath-capz.ps1