yavsc/src/Yavsc.Server/Helpers/ConfigHelpers.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;

namespace Yavsc.Server.Helpers;

public static class ConfigHelpers
{

    public static IConfigurationBuilder AddConfiguration(this WebApplicationBuilder builder, string appName)
    {
        if (string.IsNullOrEmpty(appName))
        {
            var rootConfig = builder.Configuration
                 .AddJsonFile($"appsettings.json", optional: false, reloadOnChange: false);

            rootConfig.AddJsonFile($"appsettings.{builder.Environment.EnvironmentName}.json", optional: true, reloadOnChange: false);

            return rootConfig.AddEnvironmentVariables();
        }

        var specRootConfig = builder.Configuration
             .AddJsonFile($"appsettings-{appName}.json", optional: false, reloadOnChange: false);

        specRootConfig.AddJsonFile($"appsettings-{appName}.{builder.Environment.EnvironmentName}.json", optional: true, reloadOnChange: false);

        return specRootConfig.AddEnvironmentVariables();

    }
}