Disabling Azure app service Git deployments
Back in Chapter 10, Deployment, we configured the application to deploy on every push to the master branch using the built-in Azure app service Git deployment feature. However, using this method, we get very limited control over the deployment process, and it is not uncommon to get some pretty strange errors preventing the application from deploying until you simply retry at a later time. As we'll be moving the responsibility for deploying the application over to VSTS, we need to disable the Azure Git deployment feature.
Log in to the Azure portal, then navigate to your web app service that we created earlier. In the secondary navigation menu on the left, head to the Deployment options
page, then hit the Disconnect
button at the top of the page that loads. You may need to wait a couple of minutes for the notification to confirm that the deployment has been disconnected, but once this is done, if you refresh the page, it should look like this:

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