December 2019
Intermediate to advanced
494 pages
11h 41m
English
Deployment slots are one of Azure App Service's greatest features. With deployment slots in place, you shouldn't be worried if your new release doesn't work appropriately when it is released to production. This is because you can have different slots for dev/test purposes and a different slot for production.
Using deployment slots, you can verify that the application is functioning properly before publishing it. Then, you can swap it with the production slot, which will cause almost no downtime.
If the application doesn't behave as expected, you can swap it with the application that was working in production, right before you swapped the slots.
To add an additional deployment slot, follow these steps: