Extra App Service environments, available from the Standard tier, that you warm up and then swap with production, keeping the ability to swap back.
Read more: Microsoft Learn
In the Ultra Transcenders books
AZ-305AZ-104AZ-900AI-200AZ-400
Each book explains Deployment slots in context, with comparison tables and the common traps.
Terms in this definition
- App Service
Managed PaaS hosting for web apps and Web App for Containers, run in a sandbox without OS access. Deployment slots and autoscale start at the Standard tier.
- S0 pricing tier (Foundry Tools)
Name of the standard paid tier for Foundry, Azure OpenAI and most Foundry Tools. Exceptions: Computer Vision calls its standard tier S1, and Document Intelligence offers nothing beyond F0 and S0.
Related terms
- Azure App Service
Platform-as-a-service hosting in which Azure runs the servers behind your HTTP-based applications, such as websites, REST APIs and mobile back ends, on Linux or Windows. Load balancing, scaling, sign-in and deployment slots are built in.
- Standard tier (App Service)
The lowest-cost App Service tier to include deployment slots, app cloning and rule-based autoscale to as many as 10 instances.