read file as bytes (much advance so skip step)

src/main.rs

@@ -20,8 +20,11 @@ fn handle_connection(mut stream: TcpStream) {
 
     println!("Request: {}", String::from_utf8_lossy(&buffer[..]));
 
-    let response = "HTTP/1.1 200 OK\r\n\r\n";
+    let headers = "HTTP/1.1 200 OK\r\n\r\n".as_bytes();
+    stream.write(headers).unwrap();
+    let response = fs::read("public/index.html").unwrap();
+    let response = &response[..];
 
-    stream.write(response.as_bytes()).unwrap();
+    stream.write(response).unwrap();
     stream.flush().unwrap();
 }