Dockerfile

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

# Installer image
FROM mcr.microsoft.com/azurelinux/base/core:3.0 AS installer

RUN tdnf install -y \
        ca-certificates \
        gzip \
        tar \
    && tdnf clean all

# Retrieve ASP.NET Core
RUN aspnetcore_version=9.0.0 \
    && curl -fSL --output aspnetcore.tar.gz https://dotnetcli.azureedge.net/dotnet/aspnetcore/Runtime/$aspnetcore_version/aspnetcore-runtime-$aspnetcore_version-linux-arm64.tar.gz \
    && aspnetcore_sha512='d5df4b549a59c8b9b2bcee5e0ffa9fde81fc3df74b299ab49820af6bc0ccfb89eec3714ea558ffcdd2a16821a4d1ecdcc64e9981804978ee3ff1d444b8125681' \
    && echo "$aspnetcore_sha512  aspnetcore.tar.gz" | sha512sum -c - \
    && mkdir -p /dotnet \
    && tar -oxzf aspnetcore.tar.gz -C /dotnet ./shared/Microsoft.AspNetCore.App \
    && rm aspnetcore.tar.gz


# ASP.NET Core image
FROM $REPO:9.0.0-azurelinux3.0-distroless-arm64v8

# ASP.NET Core version
ENV ASPNET_VERSION=9.0.0

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