dotnet-appservice.Dockerfile

# Build the runtime from source
ARG HOST_VERSION=4.636.0
FROM mcr.microsoft.com/dotnet/sdk:6.0 AS runtime-image
ARG HOST_VERSION

ENV PublishWithAspNetCoreTargetManifest=false

RUN wget https://packages.microsoft.com/config/debian/11/packages-microsoft-prod.deb -O packages-microsoft-prod.deb && \
    dpkg -i packages-microsoft-prod.deb && \
    rm packages-microsoft-prod.deb && \
    apt-get update && \
    apt-get install -y dotnet-sdk-8.0

RUN BUILD_NUMBER=$(echo ${HOST_VERSION} | cut -d'.' -f 3) && \
    git clone --branch v${HOST_VERSION} 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 --framework net6.0 --self-contained /p:MinorVersionPrefix=6 && \
    
    mv /azure-functions-host/workers /workers && mkdir /azure-functions-host/workers && \
    rm -rf /root/.local /root/.nuget /src

RUN apt-get update && \
    apt-get install -y gnupg wget unzip && \
    EXTENSION_BUNDLE_VERSION_V2=2.34.0 && \
    EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
    wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
    mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
    unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
    rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
    EXTENSION_BUNDLE_VERSION_V3=3.35.0 && \
    EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
    wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
    mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
    unzip /$EXTENSION_BUNDLE_FILENAME_V3 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
    rm -f /$EXTENSION_BUNDLE_FILENAME_V3 &&\
    EXTENSION_BUNDLE_VERSION_V4=4.20.0 && \
    EXTENSION_BUNDLE_FILENAME_V4=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V4}_linux-x64.zip && \
    wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V4/$EXTENSION_BUNDLE_FILENAME_V4 && \
    mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V4 && \
    unzip /$EXTENSION_BUNDLE_FILENAME_V4 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V4 && \
    rm -f /$EXTENSION_BUNDLE_FILENAME_V4 &&\
    find /FuncExtensionBundles/ -type f -exec chmod 644 {} \;

FROM mcr.microsoft.com/dotnet/runtime-deps:6.0
ARG HOST_VERSION

ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
    HOME=/home \
    FUNCTIONS_WORKER_RUNTIME=dotnet \
    DOTNET_USE_POLLING_FILE_WATCHER=true \
    HOST_VERSION=${HOST_VERSION} \
    ASPNETCORE_CONTENTROOT=/azure-functions-host \
    ASPNETCORE_URLS=http://+:80

# Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
RUN apt-get update && \
    apt-get install -y libc-dev

COPY --from=runtime-image [ "/usr/share/dotnet/shared", "/usr/share/dotnet/shared" ]
COPY --from=runtime-image [ "/azure-functions-host", "/azure-functions-host" ]
COPY --from=runtime-image [ "/FuncExtensionBundles", "/FuncExtensionBundles" ]
COPY sshd_config /etc/ssh/
COPY start.sh /azure-functions-host/
COPY install_ca_certificates.sh /opt/startup/

RUN apt-get update && \
    apt-get install -y --no-install-recommends openssh-server dialog && \
    echo "root:Docker!" | chpasswd && \
    chmod +x /azure-functions-host/start.sh && \
    chmod +x /opt/startup/install_ca_certificates.sh

ENTRYPOINT ["/azure-functions-host/start.sh"]