将ASP.NET MVC应用程序部署到IIS7并保持干净的web.config

I'd like to deploy my ASP.NET MVC application to a web hosting company (like DiscountASP.net). I'm confused about what needs to be in the web.config file on the web server. When I create the project locally, I get a bloated web.config with all sorts of additional modules, handlers, compilers. Do I need to add all these items to the production web.config file?I'd like to deploy my ASP.NET MVC application t