ConfigurationHelper.cs

public static class ConfigurationHelper
{
    public static IConfigurationRoot GetConfiguration()
    {
        var builder = new ConfigurationBuilder()
            .SetBasePath(Directory.GetCurrentDirectory()) // Define o diretório base
            .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true); // Carrega o arquivo JSON

        return builder.Build();
    }

    public static AppConfig GetAppConfig()
    {
        var configuration = GetConfiguration();
        var appConfig = new AppConfig();

        // Bind das configurações para o objeto AppConfig
        configuration.GetSection("ConnectionStrings").Bind(appConfig);
        configuration.GetSection("AppSettings").Bind(appConfig);

        return appConfig;
    }
}