ASP.NET Core 3.x - Access IoC Container

In order to get a hold of an IContainer instance you can follow the solution from the autofac documentation (link):\n\n\n// Configure is where you add middleware. This is called after\n// ConfigureContainer. You can use IApplicationBuilder.ApplicationServices \n// here if you need to resolve things from the container. \npublic void Configure(IApplicationBuilder app,\n ILoggerFactory loggerFactory) \n{\n // If, for some reason, you need a reference to the built container, you\n // can use the convenience extension method GetAutofacRoot.\n this.AutofacContainer = app.ApplicationServices.GetAutofacRoot();\n\n loggerFactory.AddConsole(this.Configuration.GetSection(\"Logging\"));\n loggerFactory.AddDebug();\n app.UseMvc(); \n}\n\n\n\nThe GetAutofacRoot(); in an extension method in Autofac.Extensions.DependencyInjection.\n\nSo in order to hold a reference on a casted IContainer you can write:\n\nIContainer container = (IContainer)app.ApplicationServices.GetAutofacRoot();\n\n\nThis cast is valid because IContainer : ILifetimeScope",