Allow for having appsettings.Local.json

this file is not checked in and can be used to overwrite any custom settings that are in the repo without worrying about accidentally checking in developer settings as you work.

.gitignore

@@ -201,3 +201,4 @@ src/Umbraco.Tests/TEMP/
 
 /src/Umbraco.Web.UI/config/umbracoSettings.config
 /src/Umbraco.Web.UI.NetCore/Umbraco/models/*
+/src/Umbraco.Web.UI.NetCore/appsettings.local.json

src/Umbraco.Web.UI.NetCore/Program.cs

@@ -1,4 +1,5 @@
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 
@@ -7,18 +8,20 @@ namespace Umbraco.Cms.Web.UI.NetCore
     public class Program
     {
         public static void Main(string[] args)
-        {
-            CreateHostBuilder(args)
+            => CreateHostBuilder(args)
                 .Build()
                 .Run();
-        }
 
         public static IHostBuilder CreateHostBuilder(string[] args) =>
             Host.CreateDefaultBuilder(args)
-                .ConfigureLogging(x =>
-                {
-                    x.ClearProviders();
-                })
-                .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup<Startup>(); });
+#if DEBUG
+                .ConfigureAppConfiguration(config
+                    => config.AddJsonFile(
+                            "appsettings.Local.json",
+                            optional: true,
+                            reloadOnChange: true))
+#endif
+                .ConfigureLogging(x => x.ClearProviders())
+                .ConfigureWebHostDefaults(webBuilder => webBuilder.UseStartup<Startup>());
     }
 }

src/Umbraco.Web.UI.NetCore/Umbraco.Web.UI.NetCore.csproj

@@ -81,6 +81,7 @@
 
   <PropertyGroup>
     <RazorCompileOnBuild>false</RazorCompileOnBuild>
+    <RazorCompileOnPublish>false</RazorCompileOnPublish>
   </PropertyGroup>
 
 </Project>

src/Umbraco.Web.UI.NetCore/appsettings.json

@@ -38,8 +38,8 @@
         "ConvertUrlsToAscii": "try"
       },
       "RuntimeMinification": {
-        "dataFolder": "App_Data/TEMP/Smidge",
-        "version": "637432008251409860"
+        "dataFolder": "Umbraco/TEMP/Smidge",
+        "version": "1"
       },
       "Security": {
         "KeepUserLoggedIn": false,