back/Cargo.toml

@@ -6,4 +6,6 @@ edition = "2021"
 [dependencies]
 actix-files = "0.6.6"
 actix-web = "4"
+serde = "1.0.215"
+serde_json = "1.0.133"
 

back/src/main.rs

@@ -1,11 +1,32 @@
-use actix_web::{App, HttpServer};
+use actix_web::{App, HttpServer, get, Responder, HttpResponse, http::header::ContentType};
 use actix_files::Files;
+use serde_json::json;
+
+
+#[get("/api")]
+async fn api() -> impl Responder {
+    let value = json!({
+        "code": 200,
+        "success": true,
+        "payload": {
+            "features": [
+                "serde",
+                "json"
+            ],
+            "homepage": null
+        }
+    });
+    HttpResponse::Ok()
+        .content_type(ContentType::json())
+        .body(value.to_string())
+}
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| {
         App::new()
-            .service(Files::new("/", "./public").index_file("index.html"))
+            .service(api)
+            .service(Files::new("/", "public").index_file("index.html"))
     })
     .bind(("0.0.0.0", 8080))?
     .run()