The next thing to do is to add those missing AppSettings values that we're already looking for in the Startup class. Open the appsettings.json file and add the following lines to the existing JSON configuration object (new lines are highlighted):
[...]{ "Data": { "DefaultConnection": { "ConnectionString": "Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=TestMakerFree;Integrated Security=True; MultipleActiveResultSets=True" } }, "Auth": { "Jwt": { "Issuer": "http://www.testmakerfree.com/", "Audience": "http://www.testmakerfree.com/", "Key": "---insert-your-own-key-here---" "TokenExpirationInMinutes": 86400 } }, "Logging": {[...]