Configure Options

ConfigureOptions.cs

// Configure all named options without dependencies.
services.ConfigureAll<TOptions>(options =>
{
    // Set your options here.
});

// Configure all named options with dependencies.
// Setting name to null is a key here.
services.AddSingleton<IConfigureOptions<TOptions>>(provider =>
{
    return new ConfigureNamedOptions<TOptions>(name: null, options =>
    {
        // Set your options here using provider.
    });
});