appSettings.json

{
  "AppSettings": {
    "KeyVaultName": "gabc-vault",
    "HomePage": {
      "Title": "Hello From Local App Settings",
      "Description": "This description is taken from the appSettings.json."
    },
    "ExternalService": {
      "ClientId": "client-localhost",
      "ApiKey": "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
    }
  },
  ...
}