Dockerfile

ARG REPO=mcr.microsoft.com/dotnet/runtime-deps

# Installer image
FROM amd64/buildpack-deps:noble-curl AS installer

# Retrieve ASP.NET Composite Runtime
RUN aspnetcore_version=9.0.1  \
    && curl -fSL --output dotnet.tar.gz https://builds.dotnet.microsoft.com/dotnet/aspnetcore/Runtime/$aspnetcore_version/aspnetcore-runtime-composite-$aspnetcore_version-linux-x64.tar.gz \
    && dotnet_sha512='ce1034cc058d68869edacd5ed1feb8ff4a3e5a2931ee057789413da7fe17ce484ea563ab9f38a7d2c2d53d7a91d47e32680da7ed0953f81ff42b56489b8e47d0' \
    && echo "$dotnet_sha512  dotnet.tar.gz" | sha512sum -c - \
    && mkdir -p /usr/share/dotnet \
    && tar -oxzf dotnet.tar.gz -C /usr/share/dotnet \
    && rm dotnet.tar.gz

RUN mkdir /dotnet-symlink \
    && ln -s /usr/share/dotnet/dotnet /dotnet-symlink/dotnet


# ASP.NET Composite Image
FROM $REPO:9.0.1-noble-chiseled-amd64

ENV \
    # .NET Runtime version
    DOTNET_VERSION=9.0.1 \
    # ASP.NET Core version
    ASPNET_VERSION=9.0.1

COPY --from=installer ["/usr/share/dotnet", "/usr/share/dotnet"]
COPY --from=installer ["/dotnet-symlink", "/usr/bin"]

ENTRYPOINT ["/usr/bin/dotnet"]
CMD ["--info"]