Actix Web Rust

use actix_web::{App, HttpResponse, HttpServer, Responder, get, http::header};

const GIF: &[u8] = &[0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x01, 0x00, 0x01, 0x00, 0x80, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x21, 0xf9, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x44, 0x01, 0x00, 0x3b];

#[get("/pixel.gif")]
async fn pixel() -> impl Responder {
    HttpResponse::Ok()
        .content_type("image/gif")
        .insert_header((header::CACHE_CONTROL, "no-store"))
        .body(GIF)
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| App::new().service(pixel))
        .bind(("0.0.0.0", 8080))?
        .run()
        .await
}