ARG REPO=mcr.microsoft.com/dotnet/runtime-deps # Installer image FROM $REPO:9.0.19-alpine3.24-amd64 AS installer # Retrieve .NET Runtime RUN dotnet_version=9.0.19 \ && wget \ https://builds.dotnet.microsoft.com/dotnet/Runtime/$dotnet_version/dotnet-runtime-$dotnet_version-linux-musl-x64.tar.gz \ https://builds.dotnet.microsoft.com/dotnet/checksums/$dotnet_version-sha.txt \ && awk -v file="dotnet-runtime-$dotnet_version-linux-musl-x64.tar.gz" '{gsub(/\r/, "")} $2 == file' $dotnet_version-sha.txt | sha512sum -c \ && mkdir --parents /dotnet \ && tar --gzip --extract --no-same-owner --file dotnet-runtime-$dotnet_version-linux-musl-x64.tar.gz --directory /dotnet \ && rm \ dotnet-runtime-$dotnet_version-linux-musl-x64.tar.gz \ $dotnet_version-sha.txt # .NET runtime image FROM $REPO:9.0.19-alpine3.24-amd64 # .NET Runtime version ENV DOTNET_VERSION=9.0.19 COPY --from=installer ["/dotnet", "/usr/share/dotnet"] RUN ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet