actix-website/examples/middleware/src/logger.rs

// <logger>
use actix_web::middleware::Logger;
use env_logger;

pub fn main() {
    use actix_web::{App, HttpServer};

    std::env::set_var("RUST_LOG", "actix_web=info");
    env_logger::init();

    HttpServer::new(|| {
        App::new()
            .wrap(Logger::default())
            .wrap(Logger::new("%a %{User-Agent}i"))
    })
    .bind("127.0.0.1:8088")
    .unwrap()
    .run()
    .unwrap();
}
// </logger>