Catalog.API: Commit to migrate catalog api to webapplication builder

src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.cs

@@ -1,4 +1,5 @@
 namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ;
+using Microsoft.Extensions.DependencyInjection;
 
 public class EventBusRabbitMQ : IEventBus, IDisposable
 {
@@ -8,21 +9,21 @@ public class EventBusRabbitMQ : IEventBus, IDisposable
     private readonly IRabbitMQPersistentConnection _persistentConnection;
     private readonly ILogger<EventBusRabbitMQ> _logger;
     private readonly IEventBusSubscriptionsManager _subsManager;
-    private readonly ILifetimeScope _autofac;
+    private readonly IServiceProvider _serviceProvider;
     private readonly int _retryCount;
 
     private IModel _consumerChannel;
     private string _queueName;
 
     public EventBusRabbitMQ(IRabbitMQPersistentConnection persistentConnection, ILogger<EventBusRabbitMQ> logger,
-        ILifetimeScope autofac, IEventBusSubscriptionsManager subsManager, string queueName = null, int retryCount = 5)
+        IServiceProvider serviceProvider, IEventBusSubscriptionsManager subsManager, string queueName = null, int retryCount = 5)
     {
         _persistentConnection = persistentConnection ?? throw new ArgumentNullException(nameof(persistentConnection));
         _logger = logger ?? throw new ArgumentNullException(nameof(logger));
         _subsManager = subsManager ?? new InMemoryEventBusSubscriptionsManager();
         _queueName = queueName;
         _consumerChannel = CreateConsumerChannel();
-        _autofac = autofac;
+        _serviceProvider = serviceProvider;
         _retryCount = retryCount;
         _subsManager.OnEventRemoved += SubsManager_OnEventRemoved;
     }
@@ -240,20 +241,20 @@ public class EventBusRabbitMQ : IEventBus, IDisposable
 
         if (_subsManager.HasSubscriptionsForEvent(eventName))
         {
-            await using var scope = _autofac.BeginLifetimeScope(AUTOFAC_SCOPE_NAME);
+            using var scope = _serviceProvider.CreateScope();
             var subscriptions = _subsManager.GetHandlersForEvent(eventName);
             foreach (var subscription in subscriptions)
             {
                 if (subscription.IsDynamic)
                 {
-                    if (scope.ResolveOptional(subscription.HandlerType) is not IDynamicIntegrationEventHandler handler) continue;
+                    if (scope.ServiceProvider.GetService(subscription.HandlerType) is not IDynamicIntegrationEventHandler handler) continue;
                     using dynamic eventData = JsonDocument.Parse(message);
                     await Task.Yield();
                     await handler.Handle(eventData);
                 }
                 else
                 {
-                    var handler = scope.ResolveOptional(subscription.HandlerType);
+                    var handler = scope.ServiceProvider.GetService(subscription.HandlerType);
                     if (handler == null) continue;
                     var eventType = _subsManager.GetEventTypeByName(eventName);
                     var integrationEvent = JsonSerializer.Deserialize(message, eventType, new JsonSerializerOptions() { PropertyNameCaseInsensitive = true });

src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.cs

@@ -1,3 +1,5 @@
+using Microsoft.Extensions.DependencyInjection;
+
 namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus;
 
 public class EventBusServiceBus : IEventBus, IAsyncDisposable
@@ -5,7 +7,7 @@ public class EventBusServiceBus : IEventBus, IAsyncDisposable
     private readonly IServiceBusPersisterConnection _serviceBusPersisterConnection;
     private readonly ILogger<EventBusServiceBus> _logger;
     private readonly IEventBusSubscriptionsManager _subsManager;
-    private readonly ILifetimeScope _autofac;
+    private readonly IServiceProvider _serviceProvider;
     private readonly string _topicName = "eshop_event_bus";
     private readonly string _subscriptionName;
     private readonly ServiceBusSender _sender;
@@ -14,12 +16,12 @@ public class EventBusServiceBus : IEventBus, IAsyncDisposable
     private const string INTEGRATION_EVENT_SUFFIX = "IntegrationEvent";
 
     public EventBusServiceBus(IServiceBusPersisterConnection serviceBusPersisterConnection,
-        ILogger<EventBusServiceBus> logger, IEventBusSubscriptionsManager subsManager, ILifetimeScope autofac, string subscriptionClientName)
+        ILogger<EventBusServiceBus> logger, IEventBusSubscriptionsManager subsManager, IServiceProvider serviceProvider, string subscriptionClientName)
     {
         _serviceBusPersisterConnection = serviceBusPersisterConnection;
         _logger = logger ?? throw new ArgumentNullException(nameof(logger));
         _subsManager = subsManager ?? new InMemoryEventBusSubscriptionsManager();
-        _autofac = autofac;
+        _serviceProvider = serviceProvider;
         _subscriptionName = subscriptionClientName;
         _sender = _serviceBusPersisterConnection.TopicClient.CreateSender(_topicName);
         ServiceBusProcessorOptions options = new ServiceBusProcessorOptions { MaxConcurrentCalls = 10, AutoCompleteMessages = false };
@@ -149,20 +151,20 @@ public class EventBusServiceBus : IEventBus, IAsyncDisposable
         var processed = false;
         if (_subsManager.HasSubscriptionsForEvent(eventName))
         {
-            var scope = _autofac.BeginLifetimeScope(AUTOFAC_SCOPE_NAME);
+            var scope = _serviceProvider.CreateScope();
             var subscriptions = _subsManager.GetHandlersForEvent(eventName);
             foreach (var subscription in subscriptions)
             {
                 if (subscription.IsDynamic)
                 {
-                    if (scope.ResolveOptional(subscription.HandlerType) is not IDynamicIntegrationEventHandler handler) continue;
+                    if (scope.ServiceProvider.GetService(subscription.HandlerType) is not IDynamicIntegrationEventHandler handler) continue;
 
                     using dynamic eventData = JsonDocument.Parse(message);
                     await handler.Handle(eventData);
                 }
                 else
                 {
-                    var handler = scope.ResolveOptional(subscription.HandlerType);
+                    var handler = scope.ServiceProvider.GetService(subscription.HandlerType);
                     if (handler == null) continue;
                     var eventType = _subsManager.GetEventTypeByName(eventName);
                     var integrationEvent = JsonSerializer.Deserialize(message, eventType);

src/Services/Basket/Basket.API/Startup.cs

@@ -244,13 +244,12 @@ public class Startup
             services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
             {
                 var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
                 var eventBusSubscriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
                 string subscriptionName = Configuration["SubscriptionClientName"];
 
                 return new EventBusServiceBus(serviceBusPersisterConnection, logger,
-                    eventBusSubscriptionsManager, iLifetimeScope, subscriptionName);
+                    eventBusSubscriptionsManager, sp, subscriptionName);
             });
         }
         else
@@ -259,7 +258,6 @@ public class Startup
             {
                 var subscriptionClientName = Configuration["SubscriptionClientName"];
                 var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
                 var eventBusSubscriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
 
@@ -269,7 +267,7 @@ public class Startup
                     retryCount = int.Parse(Configuration["EventBusRetryCount"]);
                 }
 
-                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubscriptionsManager, subscriptionClientName, retryCount);
+                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, sp, eventBusSubscriptionsManager, subscriptionClientName, retryCount);
             });
         }
 

src/Services/Catalog/Catalog.API/GlobalUsings.cs

@@ -59,4 +59,5 @@ global using Microsoft.eShopOnContainers.Services.Catalog.API.IntegrationEvents.
 global using Microsoft.Extensions.Diagnostics.HealthChecks;
 global using Microsoft.OpenApi.Models;
 global using RabbitMQ.Client;
-global using System.Reflection;
+global using System.Reflection;
+global using Microsoft.Extensions.FileProviders;

src/Services/Catalog/Catalog.API/Program.cs

@@ -1,106 +1,332 @@
-var configuration = GetConfiguration();
+var appName = "Catalog.API";
+var builder = WebApplication.CreateBuilder(new WebApplicationOptions {
+    Args = args,
+    ApplicationName = typeof(Program).Assembly.FullName,
+    ContentRootPath = Directory.GetCurrentDirectory(),
+    WebRootPath = "Pics",
+});
+if (builder.Configuration.GetValue<bool>("UseVault", false)) {
+    TokenCredential credential = new ClientSecretCredential(
+        builder.Configuration["Vault:TenantId"],
+        builder.Configuration["Vault:ClientId"],
+        builder.Configuration["Vault:ClientSecret"]);
+    //builder.AddAzureKeyVault(new Uri($"https://{builder.Configuration["Vault:Name"]}.vault.azure.net/"), credential);        
+}
+builder.Configuration.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
+builder.WebHost.UseKestrel(options => {
+    var ports = GetDefinedPorts(builder.Configuration);
+    options.Listen(IPAddress.Any, ports.httpPort, listenOptions => {
+        listenOptions.Protocols = HttpProtocols.Http1AndHttp2;
+    });
+    options.Listen(IPAddress.Any, ports.grpcPort, listenOptions => {
+        listenOptions.Protocols = HttpProtocols.Http2;
+    });
 
-Log.Logger = CreateSerilogLogger(configuration);
+});
+builder.Services.AddAppInsight(builder.Configuration);
+builder.Services.AddGrpc().Services
+    .AddCustomMVC(builder.Configuration)
+    .AddCustomDbContext(builder.Configuration)
+    .AddCustomOptions(builder.Configuration)
+    .AddCustomHealthCheck(builder.Configuration)
+    .AddIntegrationServices(builder.Configuration)
+    .AddEventBus(builder.Configuration)
+    .AddSwagger(builder.Configuration);
 
-try
-{
-    Log.Information("Configuring web host ({ApplicationContext})...", Program.AppName);
-    var host = CreateHostBuilder(configuration, args);
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment()) {
+    app.UseDeveloperExceptionPage();
+}
+else {
+    app.UseExceptionHandler("/Home/Error");
+}
+
+var pathBase = app.Configuration["PATH_BASE"];
+if (!string.IsNullOrEmpty(pathBase)) {
+    app.UsePathBase(pathBase);
+}
 
-    Log.Information("Applying migrations ({ApplicationContext})...", Program.AppName);
-    host.MigrateDbContext<CatalogContext>((context, services) =>
-    {
-        var env = services.GetService<IWebHostEnvironment>();
-        var settings = services.GetService<IOptions<CatalogSettings>>();
-        var logger = services.GetService<ILogger<CatalogContextSeed>>();
+app.UseSwagger()
+            .UseSwaggerUI(c => {
+                c.SwaggerEndpoint($"{(!string.IsNullOrEmpty(pathBase) ? pathBase : string.Empty)}/swagger/v1/swagger.json", "Catalog.API V1");
+            });
 
-        new CatalogContextSeed().SeedAsync(context, env, settings, logger).Wait();
-    })
-    .MigrateDbContext<IntegrationEventLogContext>((_, __) => { });
+app.UseRouting();
+app.UseCors("CorsPolicy");
+app.MapDefaultControllerRoute();
+app.MapControllers();
+app.UseFileServer(new FileServerOptions {
+    FileProvider = new PhysicalFileProvider(Path.Combine(app.Environment.ContentRootPath, "Pics")),
+    RequestPath = "/pics"
+});
+app.UseStaticFiles(new StaticFileOptions {
+    FileProvider = new PhysicalFileProvider(Path.Combine(app.Environment.ContentRootPath, "Pics")),
+    RequestPath = "/pics"
+});
+app.MapGet("/_proto/", async ctx => {
+    ctx.Response.ContentType = "text/plain";
+    using var fs = new FileStream(Path.Combine(app.Environment.ContentRootPath, "Proto", "catalog.proto"), FileMode.Open, FileAccess.Read);
+    using var sr = new StreamReader(fs);
+    while (!sr.EndOfStream) {
+        var line = await sr.ReadLineAsync();
+        if (line != "/* >>" || line != "<< */") {
+            await ctx.Response.WriteAsync(line);
+        }
+    }
+});
+app.MapGrpcService<CatalogService>();
+app.MapHealthChecks("/hc", new HealthCheckOptions() {
+    Predicate = _ => true,
+    ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse
+});
+app.MapHealthChecks("/liveness", new HealthCheckOptions {
+    Predicate = r => r.Name.Contains("self")
+});
 
-    Log.Information("Starting web host ({ApplicationContext})...", Program.AppName);
-    host.Run();
+ConfigureEventBus(app);
+
+
+
+try {
+    Log.Information("Configuring web host ({ApplicationContext})...", Program.AppName);
+    using var scope = app.Services.CreateScope();
+    var context = scope.ServiceProvider.GetRequiredService<CatalogContext>();
+    var env = app.Services.GetService<IWebHostEnvironment>();
+    var settings = app.Services.GetService<IOptions<CatalogSettings>>();
+    var logger = app.Services.GetService<ILogger<CatalogContextSeed>>();
+    await context.Database.MigrateAsync();
+
+    await new CatalogContextSeed().SeedAsync(context, env, settings, logger);
+    var integEventContext = scope.ServiceProvider.GetRequiredService<IntegrationEventLogContext>();
+    await integEventContext.Database.MigrateAsync();
+    app.Logger.LogInformation("Starting web host ({ApplicationName})...", appName);
+    await app.RunAsync();
 
     return 0;
 }
-catch (Exception ex)
-{
+catch (Exception ex) {
     Log.Fatal(ex, "Program terminated unexpectedly ({ApplicationContext})!", Program.AppName);
     return 1;
 }
-finally
-{
+finally {
     Log.CloseAndFlush();
 }
-
-IWebHost CreateHostBuilder(IConfiguration configuration, string[] args) =>
-  WebHost.CreateDefaultBuilder(args)
-      .ConfigureAppConfiguration(x => x.AddConfiguration(configuration))
-      .CaptureStartupErrors(false)
-      .ConfigureKestrel(options =>
-      {
-          var ports = GetDefinedPorts(configuration);
-          options.Listen(IPAddress.Any, ports.httpPort, listenOptions =>
-          {
-              listenOptions.Protocols = HttpProtocols.Http1AndHttp2;
-          });
-          options.Listen(IPAddress.Any, ports.grpcPort, listenOptions =>
-          {
-              listenOptions.Protocols = HttpProtocols.Http2;
-          });
-
-      })
-      .UseStartup<Startup>()
-      .UseContentRoot(Directory.GetCurrentDirectory())
-      .UseWebRoot("Pics")
-      .UseSerilog()
-      .Build();
-
-Serilog.ILogger CreateSerilogLogger(IConfiguration configuration)
-{
-    var seqServerUrl = configuration["Serilog:SeqServerUrl"];
-    var logstashUrl = configuration["Serilog:LogstashgUrl"];
-    return new LoggerConfiguration()
-        .MinimumLevel.Verbose()
-        .Enrich.WithProperty("ApplicationContext", Program.AppName)
-        .Enrich.FromLogContext()
-        .WriteTo.Console()
-        .WriteTo.Seq(string.IsNullOrWhiteSpace(seqServerUrl) ? "http://seq" : seqServerUrl)
-        .WriteTo.Http(string.IsNullOrWhiteSpace(logstashUrl) ? "http://logstash:8080" : logstashUrl,null)
-        .ReadFrom.Configuration(configuration)
-        .CreateLogger();
+void ConfigureEventBus(IApplicationBuilder app) {
+    var eventBus = app.ApplicationServices.GetRequiredService<IEventBus>();
+    eventBus.Subscribe<OrderStatusChangedToAwaitingValidationIntegrationEvent, OrderStatusChangedToAwaitingValidationIntegrationEventHandler>();
+    eventBus.Subscribe<OrderStatusChangedToPaidIntegrationEvent, OrderStatusChangedToPaidIntegrationEventHandler>();
 }
 
-(int httpPort, int grpcPort) GetDefinedPorts(IConfiguration config)
-{
+(int httpPort, int grpcPort) GetDefinedPorts(IConfiguration config) {
     var grpcPort = config.GetValue("GRPC_PORT", 81);
     var port = config.GetValue("PORT", 80);
     return (port, grpcPort);
 }
 
-IConfiguration GetConfiguration()
-{
-    var builder = new ConfigurationBuilder()
-        .SetBasePath(Directory.GetCurrentDirectory())
-        .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
-        .AddEnvironmentVariables();
-
-    var config = builder.Build();
-
-    if (config.GetValue<bool>("UseVault", false))
-    {
-        TokenCredential credential = new ClientSecretCredential(
-            config["Vault:TenantId"],
-            config["Vault:ClientId"],
-            config["Vault:ClientSecret"]);
-        //builder.AddAzureKeyVault(new Uri($"https://{config["Vault:Name"]}.vault.azure.net/"), credential);        
+public partial class Program {
+    public static string Namespace = typeof(Program).Assembly.GetName().Name;
+    public static string AppName = Namespace.Substring(Namespace.LastIndexOf('.', Namespace.LastIndexOf('.') - 1) + 1);
+}
+
+public static class CustomExtensionMethods {
+    public static IServiceCollection AddAppInsight(this IServiceCollection services, IConfiguration configuration) {
+        services.AddApplicationInsightsTelemetry(configuration);
+        services.AddApplicationInsightsKubernetesEnricher();
+
+        return services;
     }
 
-    return builder.Build();
-}
+    public static IServiceCollection AddCustomMVC(this IServiceCollection services, IConfiguration configuration) {
+        services.AddControllers(options => {
+            options.Filters.Add(typeof(HttpGlobalExceptionFilter));
+        })
+        .AddJsonOptions(options => options.JsonSerializerOptions.WriteIndented = true);
 
-public partial class Program
-{
-    public static string Namespace = typeof(Startup).Namespace;
-    public static string AppName = Namespace.Substring(Namespace.LastIndexOf('.', Namespace.LastIndexOf('.') - 1) + 1);
+        services.AddCors(options => {
+            options.AddPolicy("CorsPolicy",
+                builder => builder
+                .SetIsOriginAllowed((host) => true)
+                .AllowAnyMethod()
+                .AllowAnyHeader()
+                .AllowCredentials());
+        });
+
+        return services;
+    }
+
+    public static IServiceCollection AddCustomHealthCheck(this IServiceCollection services, IConfiguration configuration) {
+        var accountName = configuration.GetValue<string>("AzureStorageAccountName");
+        var accountKey = configuration.GetValue<string>("AzureStorageAccountKey");
+
+        var hcBuilder = services.AddHealthChecks();
+
+        hcBuilder
+            .AddCheck("self", () => HealthCheckResult.Healthy())
+            .AddSqlServer(
+                configuration["ConnectionString"],
+                name: "CatalogDB-check",
+                tags: new string[] { "catalogdb" });
+
+        if (!string.IsNullOrEmpty(accountName) && !string.IsNullOrEmpty(accountKey)) {
+            hcBuilder
+                .AddAzureBlobStorage(
+                    $"DefaultEndpointsProtocol=https;AccountName={accountName};AccountKey={accountKey};EndpointSuffix=core.windows.net",
+                    name: "catalog-storage-check",
+                    tags: new string[] { "catalogstorage" });
+        }
+
+        if (configuration.GetValue<bool>("AzureServiceBusEnabled")) {
+            hcBuilder
+                .AddAzureServiceBusTopic(
+                    configuration["EventBusConnection"],
+                    topicName: "eshop_event_bus",
+                    name: "catalog-servicebus-check",
+                    tags: new string[] { "servicebus" });
+        }
+        else {
+            hcBuilder
+                .AddRabbitMQ(
+                    $"amqp://{configuration["EventBusConnection"]}",
+                    name: "catalog-rabbitmqbus-check",
+                    tags: new string[] { "rabbitmqbus" });
+        }
+
+        return services;
+    }
+
+    public static IServiceCollection AddCustomDbContext(this IServiceCollection services, IConfiguration configuration) {
+        services.AddEntityFrameworkSqlServer()
+            .AddDbContext<CatalogContext>(options => {
+                options.UseSqlServer(configuration["ConnectionString"],
+                                        sqlServerOptionsAction: sqlOptions => {
+                                            sqlOptions.MigrationsAssembly(typeof(Program).GetTypeInfo().Assembly.GetName().Name);
+                                            //Configuring Connection Resiliency: https://docs.microsoft.com/en-us/ef/core/miscellaneous/connection-resiliency 
+                                            sqlOptions.EnableRetryOnFailure(maxRetryCount: 15, maxRetryDelay: TimeSpan.FromSeconds(30), errorNumbersToAdd: null);
+                                        });
+            });
+
+        services.AddDbContext<IntegrationEventLogContext>(options => {
+            options.UseSqlServer(configuration["ConnectionString"],
+                                    sqlServerOptionsAction: sqlOptions => {
+                                        sqlOptions.MigrationsAssembly(typeof(Program).GetTypeInfo().Assembly.GetName().Name);
+                                        //Configuring Connection Resiliency: https://docs.microsoft.com/en-us/ef/core/miscellaneous/connection-resiliency 
+                                        sqlOptions.EnableRetryOnFailure(maxRetryCount: 15, maxRetryDelay: TimeSpan.FromSeconds(30), errorNumbersToAdd: null);
+                                    });
+        });
+
+        return services;
+    }
+
+    public static IServiceCollection AddCustomOptions(this IServiceCollection services, IConfiguration configuration) {
+        services.Configure<CatalogSettings>(configuration);
+        services.Configure<ApiBehaviorOptions>(options => {
+            options.InvalidModelStateResponseFactory = context => {
+                var problemDetails = new ValidationProblemDetails(context.ModelState) {
+                    Instance = context.HttpContext.Request.Path,
+                    Status = StatusCodes.Status400BadRequest,
+                    Detail = "Please refer to the errors property for additional details."
+                };
+
+                return new BadRequestObjectResult(problemDetails) {
+                    ContentTypes = { "application/problem+json", "application/problem+xml" }
+                };
+            };
+        });
+
+        return services;
+    }
+
+    public static IServiceCollection AddSwagger(this IServiceCollection services, IConfiguration configuration) {
+        services.AddSwaggerGen(options => {
+            options.SwaggerDoc("v1", new OpenApiInfo {
+                Title = "eShopOnContainers - Catalog HTTP API",
+                Version = "v1",
+                Description = "The Catalog Microservice HTTP API. This is a Data-Driven/CRUD microservice sample"
+            });
+        });
+
+        return services;
+
+    }
+
+    public static IServiceCollection AddIntegrationServices(this IServiceCollection services, IConfiguration configuration) {
+        services.AddTransient<Func<DbConnection, IIntegrationEventLogService>>(
+            sp => (DbConnection c) => new IntegrationEventLogService(c));
+
+        services.AddTransient<ICatalogIntegrationEventService, CatalogIntegrationEventService>();
+
+        if (configuration.GetValue<bool>("AzureServiceBusEnabled")) {
+            services.AddSingleton<IServiceBusPersisterConnection>(sp => {
+                var settings = sp.GetRequiredService<IOptions<CatalogSettings>>().Value;
+                var serviceBusConnection = settings.EventBusConnection;
+
+                return new DefaultServiceBusPersisterConnection(serviceBusConnection);
+            });
+        }
+        else {
+            services.AddSingleton<IRabbitMQPersistentConnection>(sp => {
+                var settings = sp.GetRequiredService<IOptions<CatalogSettings>>().Value;
+                var logger = sp.GetRequiredService<ILogger<DefaultRabbitMQPersistentConnection>>();
+
+                var factory = new ConnectionFactory() {
+                    HostName = configuration["EventBusConnection"],
+                    DispatchConsumersAsync = true
+                };
+
+                if (!string.IsNullOrEmpty(configuration["EventBusUserName"])) {
+                    factory.UserName = configuration["EventBusUserName"];
+                }
+
+                if (!string.IsNullOrEmpty(configuration["EventBusPassword"])) {
+                    factory.Password = configuration["EventBusPassword"];
+                }
+
+                var retryCount = 5;
+                if (!string.IsNullOrEmpty(configuration["EventBusRetryCount"])) {
+                    retryCount = int.Parse(configuration["EventBusRetryCount"]);
+                }
+
+                return new DefaultRabbitMQPersistentConnection(factory, logger, retryCount);
+            });
+        }
+
+        return services;
+    }
+
+    public static IServiceCollection AddEventBus(this IServiceCollection services, IConfiguration configuration) {
+        if (configuration.GetValue<bool>("AzureServiceBusEnabled")) {
+            services.AddSingleton<IEventBus, EventBusServiceBus>(sp => {
+                var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
+                var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
+                var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
+                string subscriptionName = configuration["SubscriptionClientName"];
+
+                return new EventBusServiceBus(serviceBusPersisterConnection, logger,
+                    eventBusSubcriptionsManager, sp, subscriptionName);
+            });
+
+        }
+        else {
+            services.AddSingleton<IEventBus, EventBusRabbitMQ>(sp => {
+                var subscriptionClientName = configuration["SubscriptionClientName"];
+                var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
+                var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
+                var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
+
+                var retryCount = 5;
+                if (!string.IsNullOrEmpty(configuration["EventBusRetryCount"])) {
+                    retryCount = int.Parse(configuration["EventBusRetryCount"]);
+                }
+
+                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, sp, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
+            });
+        }
+
+        services.AddSingleton<IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager>();
+        services.AddTransient<OrderStatusChangedToAwaitingValidationIntegrationEventHandler>();
+        services.AddTransient<OrderStatusChangedToPaidIntegrationEventHandler>();
+
+        return services;
+    }
 }

src/Services/Catalog/Catalog.API/Startup.cs

@@ -1,333 +0,0 @@
-namespace Microsoft.eShopOnContainers.Services.Catalog.API;
-
-public class Startup
-{
-    public Startup(IConfiguration configuration)
-    {
-        Configuration = configuration;
-    }
-
-    public IConfiguration Configuration { get; }
-
-    public IServiceProvider ConfigureServices(IServiceCollection services)
-    {
-        services.AddAppInsight(Configuration)
-            .AddGrpc().Services
-            .AddCustomMVC(Configuration)
-            .AddCustomDbContext(Configuration)
-            .AddCustomOptions(Configuration)
-            .AddIntegrationServices(Configuration)
-            .AddEventBus(Configuration)
-            .AddSwagger(Configuration)
-            .AddCustomHealthCheck(Configuration);
-
-        var container = new ContainerBuilder();
-        container.Populate(services);
-
-        return new AutofacServiceProvider(container.Build());
-    }
-
-    public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
-    {
-        //Configure logs
-
-        //loggerFactory.AddAzureWebAppDiagnostics();
-        //loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace);
-
-        var pathBase = Configuration["PATH_BASE"];
-
-        if (!string.IsNullOrEmpty(pathBase))
-        {
-            loggerFactory.CreateLogger<Startup>().LogDebug("Using PATH BASE '{pathBase}'", pathBase);
-            app.UsePathBase(pathBase);
-        }
-
-        app.UseSwagger()
-            .UseSwaggerUI(c =>
-            {
-                c.SwaggerEndpoint($"{ (!string.IsNullOrEmpty(pathBase) ? pathBase : string.Empty) }/swagger/v1/swagger.json", "Catalog.API V1");
-            });
-
-        app.UseRouting();
-        app.UseCors("CorsPolicy");
-        app.UseEndpoints(endpoints =>
-        {
-            endpoints.MapDefaultControllerRoute();
-            endpoints.MapControllers();
-            endpoints.MapGet("/_proto/", async ctx =>
-            {
-                ctx.Response.ContentType = "text/plain";
-                using var fs = new FileStream(Path.Combine(env.ContentRootPath, "Proto", "catalog.proto"), FileMode.Open, FileAccess.Read);
-                using var sr = new StreamReader(fs);
-                while (!sr.EndOfStream)
-                {
-                    var line = await sr.ReadLineAsync();
-                    if (line != "/* >>" || line != "<< */")
-                    {
-                        await ctx.Response.WriteAsync(line);
-                    }
-                }
-            });
-            endpoints.MapGrpcService<CatalogService>();
-            endpoints.MapHealthChecks("/hc", new HealthCheckOptions()
-            {
-                Predicate = _ => true,
-                ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse
-            });
-            endpoints.MapHealthChecks("/liveness", new HealthCheckOptions
-            {
-                Predicate = r => r.Name.Contains("self")
-            });
-        });
-
-        ConfigureEventBus(app);
-    }
-
-    protected virtual void ConfigureEventBus(IApplicationBuilder app)
-    {
-        var eventBus = app.ApplicationServices.GetRequiredService<IEventBus>();
-        eventBus.Subscribe<OrderStatusChangedToAwaitingValidationIntegrationEvent, OrderStatusChangedToAwaitingValidationIntegrationEventHandler>();
-        eventBus.Subscribe<OrderStatusChangedToPaidIntegrationEvent, OrderStatusChangedToPaidIntegrationEventHandler>();
-    }
-}
-
-public static class CustomExtensionMethods
-{
-    public static IServiceCollection AddAppInsight(this IServiceCollection services, IConfiguration configuration)
-    {
-        services.AddApplicationInsightsTelemetry(configuration);
-        services.AddApplicationInsightsKubernetesEnricher();
-
-        return services;
-    }
-
-    public static IServiceCollection AddCustomMVC(this IServiceCollection services, IConfiguration configuration)
-    {
-        services.AddControllers(options =>
-        {
-            options.Filters.Add(typeof(HttpGlobalExceptionFilter));
-        })
-        .AddJsonOptions(options => options.JsonSerializerOptions.WriteIndented = true);
-
-        services.AddCors(options =>
-        {
-            options.AddPolicy("CorsPolicy",
-                builder => builder
-                .SetIsOriginAllowed((host) => true)
-                .AllowAnyMethod()
-                .AllowAnyHeader()
-                .AllowCredentials());
-        });
-
-        return services;
-    }
-
-    public static IServiceCollection AddCustomHealthCheck(this IServiceCollection services, IConfiguration configuration)
-    {
-        var accountName = configuration.GetValue<string>("AzureStorageAccountName");
-        var accountKey = configuration.GetValue<string>("AzureStorageAccountKey");
-
-        var hcBuilder = services.AddHealthChecks();
-
-        hcBuilder
-            .AddCheck("self", () => HealthCheckResult.Healthy())
-            .AddSqlServer(
-                configuration["ConnectionString"],
-                name: "CatalogDB-check",
-                tags: new string[] { "catalogdb" });
-
-        if (!string.IsNullOrEmpty(accountName) && !string.IsNullOrEmpty(accountKey))
-        {
-            hcBuilder
-                .AddAzureBlobStorage(
-                    $"DefaultEndpointsProtocol=https;AccountName={accountName};AccountKey={accountKey};EndpointSuffix=core.windows.net",
-                    name: "catalog-storage-check",
-                    tags: new string[] { "catalogstorage" });
-        }
-
-        if (configuration.GetValue<bool>("AzureServiceBusEnabled"))
-        {
-            hcBuilder
-                .AddAzureServiceBusTopic(
-                    configuration["EventBusConnection"],
-                    topicName: "eshop_event_bus",
-                    name: "catalog-servicebus-check",
-                    tags: new string[] { "servicebus" });
-        }
-        else
-        {
-            hcBuilder
-                .AddRabbitMQ(
-                    $"amqp://{configuration["EventBusConnection"]}",
-                    name: "catalog-rabbitmqbus-check",
-                    tags: new string[] { "rabbitmqbus" });
-        }
-
-        return services;
-    }
-
-    public static IServiceCollection AddCustomDbContext(this IServiceCollection services, IConfiguration configuration)
-    {
-        services.AddEntityFrameworkSqlServer()
-            .AddDbContext<CatalogContext>(options =>
-        {
-            options.UseSqlServer(configuration["ConnectionString"],
-                                    sqlServerOptionsAction: sqlOptions =>
-                                    {
-                                        sqlOptions.MigrationsAssembly(typeof(Startup).GetTypeInfo().Assembly.GetName().Name);
-                                        //Configuring Connection Resiliency: https://docs.microsoft.com/en-us/ef/core/miscellaneous/connection-resiliency 
-                                        sqlOptions.EnableRetryOnFailure(maxRetryCount: 15, maxRetryDelay: TimeSpan.FromSeconds(30), errorNumbersToAdd: null);
-                                    });
-        });
-
-        services.AddDbContext<IntegrationEventLogContext>(options =>
-        {
-            options.UseSqlServer(configuration["ConnectionString"],
-                                    sqlServerOptionsAction: sqlOptions =>
-                                    {
-                                        sqlOptions.MigrationsAssembly(typeof(Startup).GetTypeInfo().Assembly.GetName().Name);
-                                        //Configuring Connection Resiliency: https://docs.microsoft.com/en-us/ef/core/miscellaneous/connection-resiliency 
-                                        sqlOptions.EnableRetryOnFailure(maxRetryCount: 15, maxRetryDelay: TimeSpan.FromSeconds(30), errorNumbersToAdd: null);
-                                    });
-        });
-
-        return services;
-    }
-
-    public static IServiceCollection AddCustomOptions(this IServiceCollection services, IConfiguration configuration)
-    {
-        services.Configure<CatalogSettings>(configuration);
-        services.Configure<ApiBehaviorOptions>(options =>
-        {
-            options.InvalidModelStateResponseFactory = context =>
-            {
-                var problemDetails = new ValidationProblemDetails(context.ModelState)
-                {
-                    Instance = context.HttpContext.Request.Path,
-                    Status = StatusCodes.Status400BadRequest,
-                    Detail = "Please refer to the errors property for additional details."
-                };
-
-                return new BadRequestObjectResult(problemDetails)
-                {
-                    ContentTypes = { "application/problem+json", "application/problem+xml" }
-                };
-            };
-        });
-
-        return services;
-    }
-
-    public static IServiceCollection AddSwagger(this IServiceCollection services, IConfiguration configuration)
-    {
-        services.AddSwaggerGen(options =>
-        {            
-            options.SwaggerDoc("v1", new OpenApiInfo
-            {
-                Title = "eShopOnContainers - Catalog HTTP API",
-                Version = "v1",
-                Description = "The Catalog Microservice HTTP API. This is a Data-Driven/CRUD microservice sample"
-            });
-        });
-
-        return services;
-
-    }
-
-    public static IServiceCollection AddIntegrationServices(this IServiceCollection services, IConfiguration configuration)
-    {
-        services.AddTransient<Func<DbConnection, IIntegrationEventLogService>>(
-            sp => (DbConnection c) => new IntegrationEventLogService(c));
-
-        services.AddTransient<ICatalogIntegrationEventService, CatalogIntegrationEventService>();
-
-        if (configuration.GetValue<bool>("AzureServiceBusEnabled"))
-        {
-            services.AddSingleton<IServiceBusPersisterConnection>(sp =>
-            {
-                var settings = sp.GetRequiredService<IOptions<CatalogSettings>>().Value;
-                var serviceBusConnection = settings.EventBusConnection;
-
-                return new DefaultServiceBusPersisterConnection(serviceBusConnection);
-            });
-        }
-        else
-        {
-            services.AddSingleton<IRabbitMQPersistentConnection>(sp =>
-            {
-                var settings = sp.GetRequiredService<IOptions<CatalogSettings>>().Value;
-                var logger = sp.GetRequiredService<ILogger<DefaultRabbitMQPersistentConnection>>();
-
-                var factory = new ConnectionFactory()
-                {
-                    HostName = configuration["EventBusConnection"],
-                    DispatchConsumersAsync = true
-                };
-
-                if (!string.IsNullOrEmpty(configuration["EventBusUserName"]))
-                {
-                    factory.UserName = configuration["EventBusUserName"];
-                }
-
-                if (!string.IsNullOrEmpty(configuration["EventBusPassword"]))
-                {
-                    factory.Password = configuration["EventBusPassword"];
-                }
-
-                var retryCount = 5;
-                if (!string.IsNullOrEmpty(configuration["EventBusRetryCount"]))
-                {
-                    retryCount = int.Parse(configuration["EventBusRetryCount"]);
-                }
-
-                return new DefaultRabbitMQPersistentConnection(factory, logger, retryCount);
-            });
-        }
-
-        return services;
-    }
-
-    public static IServiceCollection AddEventBus(this IServiceCollection services, IConfiguration configuration)
-    {
-        if (configuration.GetValue<bool>("AzureServiceBusEnabled"))
-        {
-            services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
-            {
-                var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
-                var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
-                var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
-                string subscriptionName = configuration["SubscriptionClientName"];
-
-                return new EventBusServiceBus(serviceBusPersisterConnection, logger,
-                    eventBusSubcriptionsManager, iLifetimeScope, subscriptionName);
-            });
-
-        }
-        else
-        {
-            services.AddSingleton<IEventBus, EventBusRabbitMQ>(sp =>
-            {
-                var subscriptionClientName = configuration["SubscriptionClientName"];
-                var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
-                var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
-                var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
-
-                var retryCount = 5;
-                if (!string.IsNullOrEmpty(configuration["EventBusRetryCount"]))
-                {
-                    retryCount = int.Parse(configuration["EventBusRetryCount"]);
-                }
-
-                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
-            });
-        }
-
-        services.AddSingleton<IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager>();
-        services.AddTransient<OrderStatusChangedToAwaitingValidationIntegrationEventHandler>();
-        services.AddTransient<OrderStatusChangedToPaidIntegrationEventHandler>();
-
-        return services;
-    }
-}

src/Services/Catalog/Catalog.FunctionalTests/CatalogScenarioBase.cs

@@ -13,8 +13,7 @@ public class CatalogScenariosBase
             {
                 cb.AddJsonFile("appsettings.json", optional: false)
                 .AddEnvironmentVariables();
-            })
-            .UseStartup<Startup>();
+            });
 
 
         var testServer = new TestServer(hostBuilder);

src/Services/Ordering/Ordering.API/Startup.cs

@@ -332,13 +332,12 @@ static class CustomExtensionsMethods
             services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
             {
                 var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
                 var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
                 string subscriptionName = configuration["SubscriptionClientName"];
 
                 return new EventBusServiceBus(serviceBusPersisterConnection, logger,
-                    eventBusSubcriptionsManager, iLifetimeScope, subscriptionName);
+                    eventBusSubcriptionsManager, sp, subscriptionName);
             });
         }
         else
@@ -347,7 +346,6 @@ static class CustomExtensionsMethods
             {
                 var subscriptionClientName = configuration["SubscriptionClientName"];
                 var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
                 var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
 
@@ -357,7 +355,7 @@ static class CustomExtensionsMethods
                     retryCount = int.Parse(configuration["EventBusRetryCount"]);
                 }
 
-                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
+                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, sp, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
             });
         }
 

src/Services/Ordering/Ordering.BackgroundTasks/Extensions/CustomExtensionMethods.cs

@@ -60,12 +60,11 @@ namespace Ordering.BackgroundTasks.Extensions
                 services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
                 {
                     var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
-                    var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                     var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
                     var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
                     string subscriptionName = configuration["SubscriptionClientName"];
 
-                    return new EventBusServiceBus(serviceBusPersisterConnection, logger, eventBusSubcriptionsManager, iLifetimeScope, subscriptionName);
+                    return new EventBusServiceBus(serviceBusPersisterConnection, logger, eventBusSubcriptionsManager, sp, subscriptionName);
                 });
             }
             else
@@ -103,7 +102,6 @@ namespace Ordering.BackgroundTasks.Extensions
                 services.AddSingleton<IEventBus, EventBusRabbitMQ>(sp =>
                 {
                     var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
-                    var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                     var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
                     var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
 
@@ -114,7 +112,7 @@ namespace Ordering.BackgroundTasks.Extensions
                         retryCount = int.Parse(configuration["EventBusRetryCount"]);
                     }
 
-                    return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
+                    return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, sp, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
                 });
             }
 

src/Services/Ordering/Ordering.SignalrHub/Startup.cs

@@ -189,13 +189,12 @@ public class Startup
             services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
             {
                 var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
                 var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
                 string subscriptionName = Configuration["SubscriptionClientName"];
 
                 return new EventBusServiceBus(serviceBusPersisterConnection, logger,
-                    eventBusSubcriptionsManager, iLifetimeScope, subscriptionName);
+                    eventBusSubcriptionsManager, sp, subscriptionName);
             });
         }
         else
@@ -204,7 +203,6 @@ public class Startup
             {
                 var subscriptionClientName = Configuration["SubscriptionClientName"];
                 var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
                 var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
 
@@ -214,7 +212,7 @@ public class Startup
                     retryCount = int.Parse(Configuration["EventBusRetryCount"]);
                 }
 
-                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
+                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, sp, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
             });
         }
 

src/Services/Payment/Payment.API/Startup.cs

@@ -107,13 +107,12 @@ public class Startup
             services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
             {
                 var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
                 var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
                 string subscriptionName = Configuration["SubscriptionClientName"];
 
                 return new EventBusServiceBus(serviceBusPersisterConnection, logger,
-                    eventBusSubcriptionsManager, iLifetimeScope, subscriptionName);
+                    eventBusSubcriptionsManager, sp, subscriptionName);
             });
         }
         else
@@ -122,7 +121,6 @@ public class Startup
             {
                 var subscriptionClientName = Configuration["SubscriptionClientName"];
                 var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
                 var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
 
@@ -132,7 +130,7 @@ public class Startup
                     retryCount = int.Parse(Configuration["EventBusRetryCount"]);
                 }
 
-                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
+                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, sp, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
             });
         }
 

src/Services/Webhooks/Webhooks.API/Startup.cs

@@ -174,13 +174,12 @@ internal static class CustomExtensionMethods
             services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
             {
                 var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
                 var eventBusSubscriptionManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
                 string subscriptionName = configuration["SubscriptionClientName"];
 
                 return new EventBusServiceBus(serviceBusPersisterConnection, logger,
-                    eventBusSubscriptionManager, iLifetimeScope, subscriptionName);
+                    eventBusSubscriptionManager, sp, subscriptionName);
             });
 
         }
@@ -190,7 +189,6 @@ internal static class CustomExtensionMethods
             {
                 var subscriptionClientName = configuration["SubscriptionClientName"];
                 var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
-                var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
                 var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
                 var eventBusSubscriptionManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
 
@@ -200,7 +198,7 @@ internal static class CustomExtensionMethods
                     retryCount = int.Parse(configuration["EventBusRetryCount"]);
                 }
 
-                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubscriptionManager, subscriptionClientName, retryCount);
+                return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, sp, eventBusSubscriptionManager, subscriptionClientName, retryCount);
             });
         }