When you are ready to publish it to cloud, as an Azure website, right-click on the project from the Solution Explorer. A context menu will pop up on the screen. Click Publish..., as shown in the following screenshot:
This will open the web app publishing wizard. As shown in the following screenshot, click on the Microsoft Azure App Service button under the Publish tab. There exist two radio buttons, named Create New and Select Existing. The first one will guide you to create a fresh new Azure website; whereas the other will guide you to select an existing Azure website already hosted on cloud:
As we ...