How to add an appsettings.json file to my Azure Function 3.0 configuration?

Question

The new Azure Function 3.0 SDK provides a way to implement a Startup class. It gives access to the collection of services that are available by dependency injection, where I

Answer 1

When you develop a function app locally, you must maintain local copies of these values in the local.settings.json project file. To learn more, see Local settings file.

The easiest way to upload the required settings to your function app in Azure is to use the Manage Application Settings... link that is displayed after you successfully publish your project.

Refer this example on how to get those setting values.

var config = new ConfigurationBuilder()
                .SetBasePath(currentDirectory)
                .AddJsonFile("local.settings.json", optional: true, reloadOnChange: true)
                .AddEnvironmentVariables()
                .Build();

here is a sample project