Deploy, update, and test apps with no downtime using

You can create a staging slot to deploy the new version of your code, test it and swap with the production slot once ready to make the new

DO NOT continue with the deployment if you cannot properly verify a site in a slot If you selected Validate before swap, click Preview to verify that the

deployment slot swap with preview When testing on the secondary slot is done, we can swap that with production slot within our same App Service (perform an internal swapping of

deployment slot setting If you use the new 'swap with preview' option, it will still restart the app domain, but it will pause before it actually applies the swap