what is deployment slot in azure: Deployment best practices - Azure App Service. What is Azure Deployment Environments? - .... What gets swapped and what doesn't in Azure Deployment Slot?.
A chosen deployment method (e.g., GitHub, Azure DevOps, local file system) ... Before deploying your web application to Azure App Service, make sure it's properly configured and ready for deployment.
A deployment environment is a collection of Azure infrastructure resources defined in a template called an environment definition.