# Install .NET Core 3.1 (to be able to run the netcoreapp3.1 targets)
RUN DOTNET_DOWNLOAD_VERSION=3.1.415 ${'\\'}
    && DOTNET_DOWNLOAD_ARCH="$(uname -m | sed s/x86_64/x64/ | sed s/aarch64/arm64/)" ${'\\'}
    && curl -sSL -o dotnet.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Sdk/$DOTNET_DOWNLOAD_VERSION/dotnet-sdk-$DOTNET_DOWNLOAD_VERSION-linux-$DOTNET_DOWNLOAD_ARCH.tar.gz ${'\\'}
    && mkdir -p /usr/share/dotnet ${'\\'}
    && tar -zxf dotnet.tar.gz -C /usr/share/dotnet ${'\\'}
    && rm dotnet.tar.gz

# Install .NET 6
RUN DOTNET_DOWNLOAD_VERSION=6.0.100 ${'\\'}
    && DOTNET_DOWNLOAD_ARCH="$(uname -m | sed s/x86_64/x64/ | sed s/aarch64/arm64/)" ${'\\'}
    && curl -sSL -o dotnet.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Sdk/$DOTNET_DOWNLOAD_VERSION/dotnet-sdk-$DOTNET_DOWNLOAD_VERSION-linux-$DOTNET_DOWNLOAD_ARCH.tar.gz ${'\\'}
    && mkdir -p /usr/share/dotnet ${'\\'}
    && tar -zxf dotnet.tar.gz -C /usr/share/dotnet ${'\\'}
    && rm dotnet.tar.gz

# Make sure "dotnet" is on PATH
RUN ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet

# Trigger the population of the local package cache
ENV NUGET_XMLDOC_MODE skip
RUN mkdir warmup ${'\\'}
    && cd warmup ${'\\'}
    && dotnet new ${'\\'}
    && cd .. ${'\\'}
    && rm -rf warmup