Add initial work to get minimal API's going

AS1024.GeoFeed.MinimalAPI/AS1024.GeoFeed.MinimalAPI.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <InvariantGlobalization>true</InvariantGlobalization>
+    <PublishAot>true</PublishAot>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.19.5" />
+  </ItemGroup>
+
+</Project>

AS1024.GeoFeed.MinimalAPI/Dockerfile

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+#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:8.0 AS base
+USER app
+WORKDIR /app
+EXPOSE 8080
+
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+# Install clang/zlib1g-dev dependencies for publishing to native
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    clang zlib1g-dev
+ARG BUILD_CONFIGURATION=Release
+WORKDIR /src
+COPY ["AS1024.GeoFeed.MinimalAPI/AS1024.GeoFeed.MinimalAPI.csproj", "AS1024.GeoFeed.MinimalAPI/"]
+RUN dotnet restore "./AS1024.GeoFeed.MinimalAPI/./AS1024.GeoFeed.MinimalAPI.csproj"
+COPY . .
+WORKDIR "/src/AS1024.GeoFeed.MinimalAPI"
+RUN dotnet build "./AS1024.GeoFeed.MinimalAPI.csproj" -c $BUILD_CONFIGURATION -o /app/build
+
+FROM build AS publish
+ARG BUILD_CONFIGURATION=Release
+RUN dotnet publish "./AS1024.GeoFeed.MinimalAPI.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=true
+
+FROM mcr.microsoft.com/dotnet/runtime-deps:8.0 AS final
+WORKDIR /app
+EXPOSE 8080
+COPY --from=publish /app/publish .
+ENTRYPOINT ["./AS1024.GeoFeed.MinimalAPI"]

AS1024.GeoFeed.MinimalAPI/Program.cs

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+using System.Text.Json.Serialization;
+
+namespace AS1024.GeoFeed.MinimalAPI
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            var builder = WebApplication.CreateSlimBuilder(args);
+
+            var app = builder.Build();
+            var geoFeed = app.MapGroup("/geofeed.csv");
+
+            app.Run();
+        }
+    }
+
+}

AS1024.GeoFeed.MinimalAPI/Properties/launchSettings.json

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+{
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "launchUrl": "todos",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "dotnetRunMessages": true,
+      "applicationUrl": "http://localhost:5127"
+    },
+    "Docker": {
+      "commandName": "Docker",
+      "launchBrowser": true,
+      "launchUrl": "{Scheme}://{ServiceHost}:{ServicePort}/todos",
+      "environmentVariables": {
+        "ASPNETCORE_HTTP_PORTS": "8080"
+      },
+      "publishAllPorts": true
+    }
+  },
+  "$schema": "http://json.schemastore.org/launchsettings.json"
+}

AS1024.GeoFeed.MinimalAPI/appsettings.Development.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

AS1024.GeoFeed.MinimalAPI/appsettings.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}