If you’re still doing configuration in web.config files for your Azure services, it’s time to try something new and leverage something that has been there for quite some time – Application Settings.
In your Azure Portal, you will notice a section called Application Settings. Within this section is everything you need to configure your application. If you have some custom configuration data in your web.config file, a simple way to rely less on the web.config (and make your end administrator’s job a little more easier) is to expose these configuration values via Application Settings.
The process to create a new Application Setting is straight-forward, create the setting, add the value. (In this case I created a key called Tool).