rm complex sample use dumb one. not success

backend/Cargo.toml

@@ -6,9 +6,20 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+#   Compiling actix-server v2.2.0
+#   Compiling actix-http v3.3.1
+#   Compiling actix-web v4.3.1
 actix-web ="4"
-utoipa = { version = "3", features = ["actix_extras"] }
+
+#   Compiling actix-rt v2.8.0
+actix-rt = "*"
+
+#actix-swagger = "*"
+serde = "*"
+#utoipa = { version = "3", features = ["actix_extras"] }
+#   Compiling utoipa-swagger-ui v3.1.4
+utoipa-swagger-ui = { version = "3", features = ["actix-web"] }
 
 [[bin]]
 name = "webserver"
-path = "web.rs"
+path = "main.rs"

backend/main.rs

@@ -0,0 +1,10 @@
+HttpServer::new(move || {
+   App::new()
+         .service(
+             SwaggerUi::new("/swagger-ui/{_:.*}")
+                 .url("/api-docs/openapi.json", ApiDoc::openapi()),
+         )
+     })
+.bind((Ipv4Addr::UNSPECIFIED, 8000)).unwrap()
+   .run();
+   

backend/web.rs

@@ -1,28 +0,0 @@
-use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder};
-
-#[get("/")]
-async fn hello() -> impl Responder {
-    HttpResponse::Ok().body("Hello world!")
-}
-
-#[post("/echo")]
-async fn echo(req_body: String) -> impl Responder {
-    HttpResponse::Ok().body(req_body)
-}
-
-async fn manual_hello() -> impl Responder {
-    HttpResponse::Ok().body("Hey there!")
-}
-
-#[actix_web::main]
-async fn main() -> std::io::Result<()> {
-    HttpServer::new(|| {
-        App::new()
-            .service(hello)
-            .service(echo)
-            .route("/hey", web::get().to(manual_hello))
-    })
-    .bind(("127.0.0.1", 8080))?
-    .run()
-    .await
-}