Store connection string in Azure App Service and Azure Key Vault

In the previous article you learned to deploy an ASP.NET Cor web app in an Azure App Service using two techniques. Recollect that we are storing the database connection string in the appsettings.json file. And we need to change it to match the production setup at the time of deployment. In this article we will discuss two better ways of storing the database connection string. Firstly, we will learn to store the connection string into the Azure App Service itself. And then we will store it in Azure Key Vault.

https://www.binaryintellect.net/articles/3e77fc60-5eec-485f-91c9-8fcdb94e5158.aspx