Initial commit carried over from private repo. This is V2.

code/MessengerApi/Dockerfile

@@ -0,0 +1,8 @@
+#See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
+USER app
+WORKDIR /app
+EXPOSE 8080
+COPY ./publish .
+ENTRYPOINT ["dotnet", "MessengerApi.dll"]