Upgrade CSharp template

Upgrades to .NET Core 3.1 and now the template can be used on device on an RPi / ARM server. Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>
openfaas · Oct 19, 2020 · 888f006 · 888f006
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commit 888f006
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diff --git a/template/csharp/Dockerfile b/template/csharp/Dockerfile
@@ -1,6 +1,6 @@
 FROM openfaas/classic-watchdog:0.18.18 as watchdog
 
-FROM microsoft/dotnet:2.1-sdk as builder
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 as builder
 
 # Supress collection of data.
 ENV DOTNET_CLI_TELEMETRY_OPTOUT 1
@@ -19,7 +19,7 @@ COPY .  .
 
 RUN dotnet publish -c release -o published
 
-FROM microsoft/dotnet:2.1-runtime
+FROM mcr.microsoft.com/dotnet/core/runtime:3.1
 
 COPY --from=watchdog /fwatchdog /usr/bin/fwatchdog
 RUN chmod +x /usr/bin/fwatchdog

diff --git a/template/csharp/root.csproj b/template/csharp/root.csproj
@@ -12,7 +12,7 @@
 </ItemGroup>
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <PropertyGroup>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>