From be251541758d70c3b5222211747c41c9b144022b Mon Sep 17 00:00:00 2001
From: Zhiyuan Liang <zhiyuanliang@microsoft.com>
Date: Thu, 18 Dec 2025 14:29:08 +0800
Subject: [PATCH 1/3] fix feature flag demo app

---
 examples/FeatureFlagDemo/FeatureFlagDemo.csproj |  4 ++--
 examples/FeatureFlagDemo/Startup.cs             | 10 +++++++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/examples/FeatureFlagDemo/FeatureFlagDemo.csproj b/examples/FeatureFlagDemo/FeatureFlagDemo.csproj
index ba61461d..800f4d40 100644
--- a/examples/FeatureFlagDemo/FeatureFlagDemo.csproj
+++ b/examples/FeatureFlagDemo/FeatureFlagDemo.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.AppConfiguration.AspNetCore" Version="7.3.0" />
+    <PackageReference Include="Microsoft.Azure.AppConfiguration.AspNetCore" Version="8.4.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/examples/FeatureFlagDemo/Startup.cs b/examples/FeatureFlagDemo/Startup.cs
index f29f4934..2fe06089 100644
--- a/examples/FeatureFlagDemo/Startup.cs
+++ b/examples/FeatureFlagDemo/Startup.cs
@@ -48,6 +48,11 @@ public void ConfigureServices(IServiceCollection services)
                     .WithTargeting()
                     .UseDisabledFeaturesHandler(new FeatureNotEnabledDisabledHandler());
 
+            if (!string.IsNullOrEmpty(Configuration["AppConfiguration:ConnectionString"]))
+            {
+                services.AddAzureAppConfiguration();
+            }
+
             services.AddMvc(o =>
             {
                 o.Filters.AddForFeature<ThirdPartyActionFilter>(MyFeatureFlags.EnhancedPipeline);
@@ -67,7 +72,10 @@ public void Configure(IApplicationBuilder app, IHostEnvironment env)
                 app.UseHsts();
             }
 
-            app.UseAzureAppConfiguration();
+            if (!string.IsNullOrEmpty(Configuration["AppConfiguration:ConnectionString"]))
+            {
+                app.UseAzureAppConfiguration();
+            }
 
             app.UseAuthentication();
 

From 01c4c240828c98559ec1c21f4a2ca92b8ff08653 Mon Sep 17 00:00:00 2001
From: Zhiyuan Liang <zhiyuanliang@microsoft.com>
Date: Thu, 18 Dec 2025 16:25:36 +0800
Subject: [PATCH 2/3] use env var to add empty configuration refresher provider

---
 examples/FeatureFlagDemo/Program.cs |  6 ++++++
 examples/FeatureFlagDemo/Startup.cs | 10 ++--------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/examples/FeatureFlagDemo/Program.cs b/examples/FeatureFlagDemo/Program.cs
index 43be14d4..89f5c90e 100644
--- a/examples/FeatureFlagDemo/Program.cs
+++ b/examples/FeatureFlagDemo/Program.cs
@@ -33,6 +33,12 @@ public static IWebHostBuilder CreateWebHostBuilder(string[] args)
                             o.UseFeatureFlags();
                         });
                     }
+                    else
+                    {
+                        //
+                        // Disable Azure App Configuration provider when connection string is not configured
+                        Environment.SetEnvironmentVariable("AZURE_APP_CONFIGURATION_PROVIDER_DISABLED", "true");
+                    }
                 })
                 .UseStartup<Startup>();
         }
diff --git a/examples/FeatureFlagDemo/Startup.cs b/examples/FeatureFlagDemo/Startup.cs
index 2fe06089..0a7b7eca 100644
--- a/examples/FeatureFlagDemo/Startup.cs
+++ b/examples/FeatureFlagDemo/Startup.cs
@@ -48,10 +48,7 @@ public void ConfigureServices(IServiceCollection services)
                     .WithTargeting()
                     .UseDisabledFeaturesHandler(new FeatureNotEnabledDisabledHandler());
 
-            if (!string.IsNullOrEmpty(Configuration["AppConfiguration:ConnectionString"]))
-            {
-                services.AddAzureAppConfiguration();
-            }
+            services.AddAzureAppConfiguration();
 
             services.AddMvc(o =>
             {
@@ -72,10 +69,7 @@ public void Configure(IApplicationBuilder app, IHostEnvironment env)
                 app.UseHsts();
             }
 
-            if (!string.IsNullOrEmpty(Configuration["AppConfiguration:ConnectionString"]))
-            {
-                app.UseAzureAppConfiguration();
-            }
+            app.UseAzureAppConfiguration();
 
             app.UseAuthentication();
 

From 3a190acbbd8c130314046d8c434646fbc36e4782 Mon Sep 17 00:00:00 2001
From: Zhiyuan Liang <141655842+zhiyuanliang-ms@users.noreply.github.com>
Date: Fri, 19 Dec 2025 16:00:27 +0800
Subject: [PATCH 3/3] Update examples/FeatureFlagDemo/Program.cs

Co-authored-by: Jimmy Campbell <jimmyca@microsoft.com>
---
 examples/FeatureFlagDemo/Program.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/FeatureFlagDemo/Program.cs b/examples/FeatureFlagDemo/Program.cs
index 89f5c90e..c7392ef7 100644
--- a/examples/FeatureFlagDemo/Program.cs
+++ b/examples/FeatureFlagDemo/Program.cs
@@ -37,6 +37,7 @@ public static IWebHostBuilder CreateWebHostBuilder(string[] args)
                     {
                         //
                         // Disable Azure App Configuration provider when connection string is not configured
+                        // This enables feature flag retrieval solely from appsettings.json
                         Environment.SetEnvironmentVariable("AZURE_APP_CONFIGURATION_PROVIDER_DISABLED", "true");
                     }
                 })