use actix_web::{middleware, web, App, HttpResponse, HttpServer};

use actix_web::{middleware, web, App, HttpServer};

use handlebars::Handlebars;

async fn index(hb: web::Data<Handlebars<'_>>) -> HttpResponse {
    let body = hb.render("index", &()).expect("render index");
    HttpResponse::Ok().body(body)
}

    let mut handlebars = Handlebars::new();
    handlebars.set_strict_mode(true);
    handlebars
        .register_template_string("index", include_str!("templates/index.html"))
        .expect("index template");
    let handlebars_ref = web::Data::new(handlebars);

            .app_data(handlebars_ref.clone())
            .route("/", web::get().to(index))
            .route("/index.html", web::get().to(index))