RabbitMQ Producer - C#

producer.cs

public static void Main(string[] args)
{
    var factory = new ConnectionFactory() { HostName = "localhost" };
    using (var connection = factory.CreateConnection())
    using (var channel = connection.CreateModel())
    {
        channel.QueueDeclare("hello", true, false, false, null);

        var message = new TestMessage(1, "test", $"{args.FirstOrDefault()} Hello World!");
        var json = JsonConvert.SerializeObject(message);
        var body = Encoding.UTF8.GetBytes(json);

        channel.BasicPublish("", "hello", null, body);
        Console.WriteLine(" [x] Sent {0}", message);
    }
}