Multi-arch Dcokerfiles, tests added

docker/Dockerfile.linux.amd64

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+FROM --platform=linux/amd64 alpine:3.18 as base
+
+WORKDIR /app
+
+ENV HELM_EXPERIMENTAL_OCI=1
+
+RUN apk --no-cache add ca-certificates curl && \
+    curl -LO "https://get.helm.sh/helm-v3.7.0-linux-amd64.tar.gz" && \
+    tar -zxvf helm-v3.7.0-linux-amd64.tar.gz && \
+    mv linux-amd64/helm /usr/local/bin/helm && \
+    rm -rf linux-amd64 helm-v3.7.0-linux-amd64.tar.gz && \
+    chmod +x /usr/local/bin/helm
+
+RUN apk --no-cache add python3
+
+COPY ../main.py /app/
+
+CMD ["python3", "/app/main.py"]

docker/Dockerfile.linux.arm64

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+# Dockerfile for linux/arm64
+FROM --platform=linux/arm64 alpine:3.18 as base
+
+WORKDIR /app
+
+ENV HELM_EXPERIMENTAL_OCI=1
+
+RUN apk --no-cache add ca-certificates curl && \
+    curl -LO "https://get.helm.sh/helm-v3.7.0-linux-arm64.tar.gz" && \
+    tar -zxvf helm-v3.7.0-linux-arm64.tar.gz && \
+    mv linux-arm64/helm /usr/local/bin/helm && \
+    rm -rf linux-arm64 helm-v3.7.0-linux-arm64.tar.gz && \
+    chmod +x /usr/local/bin/helm
+
+RUN apk --no-cache add python3
+
+COPY main.py /app/
+
+CMD ["python3", "/app/main.py"]

docker/Dockerfile.windows.amd64

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+#  Use Windows Server Core as base
+FROM --platform=windows/amd64 mcr.microsoft.com/windows/servercore:ltsc2022 as base
+
+FROM --platform=windows/amd64 mcr.microsoft.com/windows/nanoserver:1809
+USER ContainerAdministrator
+
+WORKDIR C:\app
+
+ENV HELM_EXPERIMENTAL_OCI=1
+
+COPY --from=core /windows/system32/netapi32.dll /windows/system32/netapi32.dll
+
+RUN curl.exe -LO "https://get.helm.sh/helm-v3.7.0-windows-amd64.zip" && \
+    Expand-Archive -Path helm-v3.7.0-windows-amd64.zip -DestinationPath . && \
+    Move-Item -Path .\windows-amd64\helm.exe -Destination C:\Windows\System32\helm.exe && \
+    Remove-Item -Path helm-v3.7.0-windows-amd64.zip, windows-amd64 -Recurse
+
+RUN powershell -Command Install-WindowsFeature Web-Server
+
+COPY ./main.py ./
+
+CMD ["python", "C:\\app\\main.py"]

docker/Dockerfile.windows.arm64

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+# Dockerfile for windows/arm64
+FROM --platform=${BUILDPLATFORM:-windows/arm64} mcr.microsoft.com/windows/nanoserver:1809
+
+WORKDIR C:\app
+
+ENV HELM_EXPERIMENTAL_OCI=1
+
+RUN curl.exe -LO "https://get.helm.sh/helm-v3.7.0-windows-arm64.zip" && \
+    Expand-Archive -Path helm-v3.7.0-windows-arm64.zip -DestinationPath . && \
+    Move-Item -Path .\windows-arm64\helm.exe -Destination C:\Windows\System32\helm.exe && \
+    Remove-Item -Path helm-v3.7.0-windows-arm64.zip, windows-arm64 -Recurse
+
+RUN powershell -Command Install-WindowsFeature Web-Server
+
+COPY main.py ./
+
+CMD ["python", "C:\\app\\main.py"]