Adding dotnet:4-alpine image

host/4/alpine/amd64/dotnet/dotnet-inproc/dotnet.Dockerfile

@@ -0,0 +1,59 @@
+# Build the runtime from source
+ARG HOST_VERSION=4.25.2
+FROM mcr.microsoft.com/dotnet/sdk:6.0-alpine AS runtime-image
+ARG HOST_VERSION
+
+ENV PublishWithAspNetCoreTargetManifest=false
+
+RUN apk update && apk upgrade && \
+    apk --no-cache add git gnupg wget unzip grpc grpc-plugins protobuf protobuf-dev protoc
+
+ENV GRPC_PROTOC_PLUGIN=/usr/bin/grpc_csharp_plugin
+ENV PROTOBUF_PROTOC=/usr/bin/protoc
+
+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=$HOST_COMMIT src/WebJobs.Script.WebHost/WebJobs.Script.WebHost.csproj -c Release --output /azure-functions-host --runtime linux-musl-x64 && \
+    mv /azure-functions-host/workers /workers && mkdir /azure-functions-host/workers && \
+    rm -rf /root/.local /root/.nuget /src
+
+RUN EXTENSION_BUNDLE_VERSION_V2=2.27.0 && \
+    EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${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=3.26.0 && \
+    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 /$EXTENSION_BUNDLE_FILENAME_V3 &&\
+    EXTENSION_BUNDLE_VERSION_V4=4.8.0 && \
+    EXTENSION_BUNDLE_FILENAME_V4=Microsoft.Azure.Functions.ExtensionBundle.${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-alpine
+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
+
+# 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 [ "/azure-functions-host", "/azure-functions-host" ]
+COPY --from=runtime-image [ "/FuncExtensionBundles", "/FuncExtensionBundles" ]
+
+CMD [ "/azure-functions-host/Microsoft.Azure.WebJobs.Script.WebHost" ]

host/4/alpine/amd64/dotnet/dotnet-inproc/sshd_config

@@ -0,0 +1,15 @@
+# This is ssh server systemwide configuration file.
+#
+# /etc/sshd_config
+
+Port 			SSH_PORT
+ListenAddress 		0.0.0.0
+LoginGraceTime 		180
+X11Forwarding 		yes
+Ciphers aes128-cbc,3des-cbc,aes256-cbc
+MACs hmac-sha1,hmac-sha1-96
+StrictModes 		yes
+SyslogFacility 		DAEMON
+PasswordAuthentication 	yes
+PermitEmptyPasswords 	no
+PermitRootLogin 	yes

host/4/alpine/amd64/dotnet/dotnet-inproc/start.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+export DOTNET_USE_POLLING_FILE_WATCHER=true
+
+if [ -z $PORT ]; then
+  export ASPNETCORE_URLS=http://*:80
+else
+  export ASPNETCORE_URLS=http://*:$PORT
+fi
+
+if [ -z $SSH_PORT ]; then
+  export SSH_PORT=2222
+fi
+
+if [ "$APPSVC_REMOTE_DEBUGGING" == "TRUE" ]; then
+    export languageWorkers__node__arguments="--inspect=0.0.0.0:$APPSVC_TUNNEL_PORT"
+    export languageWorkers__python__arguments="-m ptvsd --host localhost --port $APPSVC_TUNNEL_PORT"
+fi
+
+sed -i "s/SSH_PORT/$SSH_PORT/g" /etc/ssh/sshd_config
+
+service ssh start
+
+if [ -f /azure-functions-host/Microsoft.Azure.WebJobs.Script.WebHost ]; then
+    /azure-functions-host/Microsoft.Azure.WebJobs.Script.WebHost
+else
+    dotnet /azure-functions-host/Microsoft.Azure.WebJobs.Script.WebHost.dll
+fi

host/4/dotnet-build.yml

@@ -84,6 +84,19 @@ steps:
     displayName: dotnet-inproc-appservice
     continueOnError: false
 
+  - bash: |
+      set -e
+      IMAGE_NAME=azurefunctions.azurecr.io/azure-functions/4/dotnet:$(Build.SourceBranchName)
+      echo "##vso[task.setvariable variable=image_list;]$IMAGE_NAME"
+
+      docker build -t $IMAGE_NAME \
+                  -f host/4/alpine/amd64/dotnet/dotnet-inproc/dotnet.Dockerfile \
+                  host/4/alpine/amd64/dotnet/dotnet-inproc/
+      npm run test $IMAGE_NAME --prefix test/
+      docker push $IMAGE_NAME
+    displayName: dotnet-inproc-alpine
+    continueOnError: false
+
   - bash: |
       set -e
       IMAGE_NAME=azurefunctions.azurecr.io/azure-functions/4/dotnet-isolated:$(Build.SourceBranchName)-dotnet-isolated6.0

host/4/republish.yml

@@ -37,11 +37,13 @@ steps:
       docker pull $SOURCE_REGISTRY/dotnet:$(PrivateVersion)
       docker pull $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-slim
       docker pull $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-appservice
+      docker pull $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-alpine
 
       docker tag $SOURCE_REGISTRY/dotnet:$(PrivateVersion) $TARGET_REGISTRY/dotnet:$(TargetVersion)
       docker tag $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-slim $TARGET_REGISTRY/dotnet:$(TargetVersion)-slim
       docker tag $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-appservice $TARGET_REGISTRY/dotnet:$(TargetVersion)-dotnet6-appservice
       docker tag $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-appservice $TARGET_REGISTRY/dotnet:$(TargetVersion)-appservice
+      docker tag $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-alpine $TARGET_REGISTRY/dotnet:$(TargetVersion)-alpine
 
       docker tag $SOURCE_REGISTRY/dotnet:$(PrivateVersion) $TARGET_REGISTRY/base:$(TargetVersion)
       docker tag $SOURCE_REGISTRY/dotnet:$(PrivateVersion)-slim $TARGET_REGISTRY/base:$(TargetVersion)-slim
@@ -51,6 +53,7 @@ steps:
       docker push $TARGET_REGISTRY/dotnet:$(TargetVersion)-slim
       docker push $TARGET_REGISTRY/dotnet:$(TargetVersion)-dotnet6-appservice
       docker push $TARGET_REGISTRY/dotnet:$(TargetVersion)-appservice
+      docker push $TARGET_REGISTRY/dotnet:$(TargetVersion)-alpine
       docker push $TARGET_REGISTRY/base:$(TargetVersion)
       docker push $TARGET_REGISTRY/base:$(TargetVersion)-slim
       docker push $TARGET_REGISTRY/base:$(TargetVersion)-appservice