Grpc Repro

Dockerfile

ARG HOST_VERSION=3.2.0
FROM mcr.microsoft.com/dotnet/sdk:5.0 AS installer-env
ARG HOST_VERSION

COPY --from=mcr.microsoft.com/dotnet/core/sdk:3.1 /usr/share/dotnet /usr/share/dotnet

COPY . /src/dotnet-function-app
RUN cd /src/dotnet-function-app && \
    mkdir -p /home/site/wwwroot && \
    dotnet publish *.csproj --output /home/site/wwwroot

FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS runtime-image
RUN BUILD_NUMBER=90001 && \
    git clone --branch brettsam/update-grpc https://github.com/Azure/azure-functions-host /src/azure-functions-host && \ 
    cd /src/azure-functions-host && \
    HOST_COMMIT=$(git rev-list -1 HEAD) && \
    dotnet publish -v q /p:BuildNumber=$BUILD_NUMBER /p:CommitHash=$HOST_COMMIT src/WebJobs.Script.WebHost/WebJobs.Script.WebHost.csproj -c Release --output /azure-functions-host --runtime linux-x64 && \
    mv /azure-functions-host/workers /workers && mkdir /azure-functions-host/workers && \
    rm -rf /root/.local /root/.nuget /src

FROM mcr.microsoft.com/dotnet/runtime:5.0
ARG HOST_VERSION

ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
    HOME=/home \
    FUNCTIONS_WORKER_RUNTIME=dotnet-isolated \
    DOTNET_USE_POLLING_FILE_WATCHER=true \
    HOST_VERSION=${HOST_VERSION}

COPY --from=runtime-image [ "/azure-functions-host", "/azure-functions-host" ]

CMD [ "/azure-functions-host/Microsoft.Azure.WebJobs.Script.WebHost" ]

ENV AzureFunctionsJobHost__Logging__Console__IsEnabled=true \
    AzureWebJobsFeatureFlags=EnableAspNetCoreGrpc

COPY --from=installer-env ["/home/site/wwwroot", "/home/site/wwwroot"]