Axum Rust

use axum::{Router, http::header, response::IntoResponse, routing::get};

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];

async fn pixel() -> impl IntoResponse {
    (
        [
            (header::CONTENT_TYPE, "image/gif"),
            (header::CACHE_CONTROL, "no-store"),
        ],
        GIF,
    )
}

#[tokio::main]
async fn main() {
    let app = Router::new().route("/pixel.gif", get(pixel));
    let listener = tokio::net::TcpListener::bind("0.0.0.0:8080").await.unwrap();
    axum::serve(listener, app).await.unwrap();
}