Deployment slots are parallel containers that exist within an Azure resource, such as App Services. These slots can be used as environments, such as staging, QA, or dev. I leverage slots as a staging environment that can be used to test code being deployed in a production environment. Once you are done with your verification testing, you can switch slots for zero downtime. Now, as I mentioned, you can use them for QA and dev environments but this can create issues with downstream resources such as databases or services. I always prefer and recommend keeping a division between environments, for data security, access, and so on, as you can see in the following daigram:
Deployment slots
Deployment slots:
- They act ...
