Add configuration server template

config/ConfigurationServer/Dockerfile

@@ -0,0 +1,21 @@
+#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base
+WORKDIR /app
+EXPOSE 80
+
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
+WORKDIR /src
+COPY ["ConfigurationServer.csproj", ""]
+RUN dotnet restore "./ConfigurationServer.csproj"
+COPY . .
+WORKDIR "/src/."
+RUN dotnet build "ConfigurationServer.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "ConfigurationServer.csproj" -c Release -o /app/publish
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "ConfigurationServer.dll"]