Updated the target frameworks for the microservice example projects to net6.0 to support the c# 10 requirement during build through the docker pipeline (#2677)

examples/MicroserviceExample/WebApi/Dockerfile

@@ -1,10 +1,10 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
+FROM mcr.microsoft.com/dotnet/sdk:6.0-alpine AS build
 
 WORKDIR /app
 COPY . ./
 RUN dotnet publish ./examples/MicroserviceExample/WebApi -c Release -o /out -p:IntegrationBuild=true
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:6.0-alpine AS runtime
 WORKDIR /app
 COPY --from=build /out ./
 ENTRYPOINT ["dotnet", "WebApi.dll"]

examples/MicroserviceExample/WebApi/WebApi.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

examples/MicroserviceExample/WorkerService/Dockerfile

@@ -1,10 +1,10 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
+FROM mcr.microsoft.com/dotnet/sdk:6.0-alpine AS build
 
 WORKDIR /app
 COPY . ./
 RUN dotnet publish ./examples/MicroserviceExample/WorkerService -c Release -o /out -p:IntegrationBuild=true
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:6.0-alpine AS runtime
 WORKDIR /app
 COPY --from=build /out ./
 ENTRYPOINT ["dotnet", "WorkerService.dll"]

examples/MicroserviceExample/WorkerService/WorkerService.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>