Fix feature flag demo app (#574)

zhiyuanliang-ms · jimmyca15 · web-flow · commit 772484c68e91 · 2025-12-19T16:04:56.000+08:00
* fix feature flag demo app

* use env var to add empty configuration refresher provider

* Update examples/FeatureFlagDemo/Program.cs

Co-authored-by: Jimmy Campbell &lt;jimmyca@microsoft.com&gt;

---------

Co-authored-by: Jimmy Campbell &lt;jimmyca@microsoft.com&gt;
diff --git a/examples/FeatureFlagDemo/FeatureFlagDemo.csproj b/examples/FeatureFlagDemo/FeatureFlagDemo.csproj
@@ -1,12 +1,12 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+﻿<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
   </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/Program.cs b/examples/FeatureFlagDemo/Program.cs
@@ -33,6 +33,13 @@ public static IWebHostBuilder CreateWebHostBuilder(string[] args)
                             o.UseFeatureFlags();
                         });
                     }
+                    else
+                    {
+                        //
+                        // 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");
+                    }
                 })
                 .UseStartup<Startup>();
         }
diff --git a/examples/FeatureFlagDemo/Startup.cs b/examples/FeatureFlagDemo/Startup.cs
@@ -48,6 +48,8 @@ public void ConfigureServices(IServiceCollection services)
                     .WithTargeting()
                     .UseDisabledFeaturesHandler(new FeatureNotEnabledDisabledHandler());
 
+            services.AddAzureAppConfiguration();
+
             services.AddMvc(o =>
             {
                 o.Filters.AddForFeature<ThirdPartyActionFilter>(MyFeatureFlags.EnhancedPipeline);

Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,13 @@ public static IWebHostBuilder CreateWebHostBuilder(string[] args)`
`33`	`33`	`o.UseFeatureFlags();`
`34`	`34`	`});`
`35`	`35`	`}`
	`36`	`+ else`
	`37`	`+ {`
	`38`	`+ //`
	`39`	`+ // Disable Azure App Configuration provider when connection string is not configured`
	`40`	`+ // This enables feature flag retrieval solely from appsettings.json`
	`41`	`+ Environment.SetEnvironmentVariable("AZURE_APP_CONFIGURATION_PROVIDER_DISABLED", "true");`
	`42`	`+ }`
`36`	`43`	`})`
`37`	`44`	`.UseStartup<Startup>();`
`38`	`45`	`}`
Original file line number	Diff line number	Diff line change
`@@ -48,6 +48,8 @@ public void ConfigureServices(IServiceCollection services)`
`48`	`48`	`.WithTargeting()`
`49`	`49`	`.UseDisabledFeaturesHandler(new FeatureNotEnabledDisabledHandler());`
`50`	`50`
	`51`	`+ services.AddAzureAppConfiguration();`
	`52`	`+`
`51`	`53`	`services.AddMvc(o =>`
`52`	`54`	`{`
`53`	`55`	`o.Filters.AddForFeature<ThirdPartyActionFilter>(MyFeatureFlags.EnhancedPipeline);`