Global Variables in ASP.Net Core 2

Question

I am developing a web application in ASP.NET Core and currently have a large set of keys, such as stripe account keys. Instead of having them spread throughout the project i

Answer 1

In appsettings.json keep the variables.

{
    "foo": "value1",
    "bar": "value2",
}

Create AppSettings class.

public class AppSettings
{
    public string foo { get; set; }

    public string bar { get; set; }
}

In Startup.cs file register.

public IServiceProvider ConfigureServices(IServiceCollection services)
{
    services.Configure(Configuration);
}

Usage,

public class MyController : Controller
{
    private readonly IOptions _appSettings;

    public MyController(IOptions appSettings)
    {
        _appSettings = appSettings;
    }
    var fooValue = _appSettings.Value.foo;
    var barValue = _appSettings.Value.bar;
}