fix: appveyor build fix final

Author: maurei

src/JsonApiDotNetCore/Builders/JsonApiApplicationBuilder.cs

@@ -32,14 +32,14 @@ namespace JsonApiDotNetCore.Builders
     /// A utility class that builds a JsonApi application. It registers all required services
     /// and allows the user to override parts of the startup configuration.
     /// </summary>
-    internal sealed class JsonApiApplicationBuilder: IDisposable
+    internal sealed class JsonApiApplicationBuilder
     {
     private readonly JsonApiOptions _options = new JsonApiOptions();
     private readonly IServiceCollection _services;
     private IServiceDiscoveryFacade _serviceDiscoveryFacade;
     private IResourceGraphBuilder _resourceGraphBuilder;
     private readonly IMvcCoreBuilder _mvcBuilder;
-    private readonly List<ServiceProvider> _intermediateServiceProviders = new List<ServiceProvider>();
+    private ServiceProvider _serviceProviderToDispose;
 
     public JsonApiApplicationBuilder(IServiceCollection services,
         IMvcCoreBuilder mvcBuilder)
@@ -76,7 +76,7 @@ public void ConfigureAutoDiscovery(Action<IServiceDiscoveryFacade> configureAuto
         _serviceDiscoveryFacade = intermediateProvider.GetRequiredService<IServiceDiscoveryFacade>();
         _resourceGraphBuilder = intermediateProvider.GetRequiredService<IResourceGraphBuilder>();
         RegisterDiscoverableAssemblies(configureAutoDiscovery, _serviceDiscoveryFacade);
-        _intermediateServiceProviders.Add(intermediateProvider);
+        _serviceProviderToDispose = intermediateProvider;
     }
 
     /// <summary>
@@ -91,8 +91,6 @@ public void AddResourceGraph(Type dbContextType, Action<IResourceGraphBuilder> c
             UserConfigureResources(configureResources, _resourceGraphBuilder);
             _services.AddSingleton(_resourceGraphBuilder.Build());            
         }
-
-        // _intermediateServiceProviders.Add(intermediateProvider);
     }
 
     /// <summary>
@@ -139,6 +137,7 @@ public void ConfigureMvc()
     public void DiscoverInjectables()
     {
         _serviceDiscoveryFacade.DiscoverInjectables();
+        _serviceProviderToDispose.Dispose();
     }
 
     /// <summary>
@@ -187,15 +186,7 @@ public void ConfigureServices(Type dbContextType)
 
         _services.AddScoped<IInverseRelationships, InverseRelationships>();
     }
-
-    public void Dispose()
-    {
-        foreach (var sp in _intermediateServiceProviders)
-        {
-            sp.Dispose();
-        }
-    }
-
+    
     private void RegisterDiscoverableAssemblies(Action<IServiceDiscoveryFacade> configureAutoDiscovery,
         IServiceDiscoveryFacade serviceDiscoveryFacade)
     {

src/JsonApiDotNetCore/Extensions/ServiceCollectionExtensions.cs

@@ -60,7 +60,6 @@ private static void SetupApplicationBuilder(IServiceCollection services, Action<
             applicationBuilder.ConfigureMvc();
             applicationBuilder.DiscoverInjectables();
             applicationBuilder.ConfigureServices(dbContextType);
-            applicationBuilder.Dispose();
         }
 
         private static void ResolveInverseRelationships(IServiceCollection services)