react-rust-postgres: create simple server

Signed-off-by: Jérémie Drouet <jeremie.drouet@gmail.com>

react-rust-postgres/backend/src/main.rs

@@ -0,0 +1,25 @@
+#![feature(proc_macro_hygiene, decl_macro)]
+
+#[macro_use]
+extern crate rocket;
+#[macro_use]
+extern crate serde_derive;
+extern crate rocket_contrib;
+
+use rocket_contrib::json::Json;
+
+#[derive(Serialize)]
+struct HelloMessage {
+    message: String,
+}
+
+#[get("/")]
+fn index() -> Json<HelloMessage> {
+    Json(HelloMessage {
+        message: String::from("Hello, world"),
+    })
+}
+
+fn main() {
+    rocket::ignite().mount("/", routes![index]).launch();
+}