powershell7-slim.Dockerfile

# Build the runtime from source
ARG HOST_VERSION=3.2.0
FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS runtime-image
ARG HOST_VERSION

ENV PublishWithAspNetCoreTargetManifest=false

# Build WebJobs.Script.WebHost from source
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 && \
    rm -rf /azure-functions-host/workers/powershell/6 && \
    mv /azure-functions-host/workers /workers && mkdir /azure-functions-host/workers && \
    rm -rf /root/.local /root/.nuget /src

# Install extension bundles
RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
    EXTENSION_BUNDLE_FILENAME=Microsoft.Azure.Functions.ExtensionBundle.1.8.1_linux-x64.zip && \
    apt-get update && \
    apt-get install -y gnupg wget unzip && \
    wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION/$EXTENSION_BUNDLE_FILENAME && \
    mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
    unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
    rm -f /$EXTENSION_BUNDLE_FILENAME && \
    EXTENSION_BUNDLE_VERSION_V2=2.6.1 && \
    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 /$EXTENSION_BUNDLE_FILENAME_V2 &&\
    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
    EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${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 &&\
    find /FuncExtensionBundles/ -type f -exec chmod 644 {} \;

FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim
ARG HOST_VERSION

# set runtime env variables
ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
    HOME=/home \
    FUNCTIONS_WORKER_RUNTIME=powershell \
    FUNCTIONS_WORKER_RUNTIME_VERSION=~7 \
    DOTNET_USE_POLLING_FILE_WATCHER=true \
    HOST_VERSION=${HOST_VERSION}

# copy bundles, host runtime and powershell worker from the build image
COPY --from=runtime-image ["/FuncExtensionBundles", "/FuncExtensionBundles"]
COPY --from=runtime-image ["/azure-functions-host", "/azure-functions-host"]
COPY --from=runtime-image ["/workers/powershell", "/azure-functions-host/workers/powershell"]

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