use std::{env, io}; use actix_http::{HttpService, Response}; use actix_server::Server; use actix_utils::future; use http::header::HeaderValue; use log::info; #[actix_rt::main] async fn main() -> io::Result<()> { env::set_var("RUST_LOG", "hello_world=info"); env_logger::init(); Server::build() .bind("hello-world", "127.0.0.1:8080", || { HttpService::build() .client_timeout(1000) .client_disconnect(1000) .finish(|_req| { info!("{:?}", _req); let mut res = Response::Ok(); res.insert_header(( "x-head", HeaderValue::from_static("dummy value!"), )); future::ok::<_, ()>(res.body("Hello world!")) }) .tcp() })? .run() .await }