ARG REPO=mcr.microsoft.com/dotnet/core/runtime-deps ARG DOTNET_VERSION=5.0.0-preview.6.20305.6 # Installer image FROM amd64/buildpack-deps:buster-curl as installer ARG DOTNET_VERSION # Retrieve .NET Core RUN curl -SL --output dotnet.tar.gz https://dotnetcli.azureedge.net/dotnet/Runtime/$DOTNET_VERSION/dotnet-runtime-$DOTNET_VERSION-linux-x64.tar.gz \ && dotnet_sha512='355a0a3e02970a5ecd2bfa06f4690ed8f7ee23bf5544470787c79c80ec5ff7d3a0296fed06d311d2b970fe00db0345856b5cea4e8e0cc3abfab8f2e89d0755e6' \ && echo "$dotnet_sha512 dotnet.tar.gz" | sha512sum -c - \ && mkdir -p /dotnet \ && tar -ozxf dotnet.tar.gz -C /dotnet \ && rm dotnet.tar.gz # .NET Core runtime image FROM $REPO:5.0-buster-slim ARG DOTNET_VERSION ENV DOTNET_VERSION $DOTNET_VERSION COPY --from=installer ["/dotnet", "/usr/share/dotnet"] RUN ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet