Actix-Web embed and serve static asset files

Example of how to embed a folder os static assets into the final binary and serve them on configured routes from actix-web.

---

First we need to declare the folder where the assets are located, I'll use a "assets" folder relative to the crate root:

use rust_embed_for_web::RustEmbed;

#[derive(RustEmbed)]
#[folder = "assets/"]
struct Asset;

then we want to define a two services: a default handler for all kinds of files, straight from the asset folder, on a mountable path of choice, and then a special handler that explicitly serves the /favicon.ico route which all browsers request by default:

		// -snip--
		.service(serve_asset)
    .service(serve_favicon)
		// -snip-

and this is how the handlers are made easily, including automatic mime-type, etag and last-modified headers, as well as doing automatic compression if it makes sense:

use actix_web::{get, web, Responder};
use actix_web_rust_embed_responder::{EmbedResponse, EmbedableFileResponse, IntoResponse};

#[get("/favicon.ico")]
async fn serve_favicon() -> impl Responder {
    Asset::get("favicon.ico").into_response()
}

#[get("/assets/{name}")]
async fn serve_asset(name: web::Path<String>) -> EmbedResponse<EmbedableFileResponse> {
    Asset::get(&name)
        .into_response()
        .use_compression(actix_web_rust_embed_responder::Compress::IfWellKnown)
}