Update ASP.Net Core version to 3.1 (LTS) (#5339)

* Update README.md

* Update Images to .Net Core 3.1

frameworks/CSharp/README.md

@@ -59,9 +59,7 @@ in your pull request.
 _There aren't any C# experts listed, yet. If you're an expert, add yourself!_
 
 ### C# Community
-
-_We don't have any community links added. Add some to help further guide 
-future contirbutors._
+Discord: http://aka.ms/csharp-discord
 
 ### Resources
 

frameworks/CSharp/aspnetcore/aspcore-ado-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-ado-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-ado-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-ado-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-ado-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-ado-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-dap-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-dap-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-dap-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-ef-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc-ef-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mvc.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-ado-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-ado-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-ado-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-dap-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-dap-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-dap-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-ef-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-ef-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw-json.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-mw.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-rhtx-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-rhtx-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore-rhtx.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./

frameworks/CSharp/aspnetcore/aspcore.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS runtime
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 WORKDIR /app
 COPY --from=build /app/out ./