Bug fixes new functional

main.go

@@ -6,7 +6,6 @@ import (
     "encoding/json"
     "fmt"
     "io"
-    "io/fs"
     "log"
     "net/http"
     "os"
@@ -309,14 +308,22 @@ func main() {
             }
         }()
     }
-    staticContent, _ := fs.Sub(staticFS, ".")
-    staticHandler := http.FileServer(http.FS(staticContent))
+    indexHTML, _ := staticFS.ReadFile("index.html")
+    faviconICO, _ := staticFS.ReadFile("favicon.ico")
+
     http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-        if r.URL.Path == "/" {
-            r = r.Clone(r.Context())
-            r.URL.Path = "/index.html"
+        switch r.URL.Path {
+        case "/", "/index.html":
+            w.Header().Set("Content-Type", "text/html; charset=utf-8")
+            w.WriteHeader(http.StatusOK)
+            _, _ = w.Write(indexHTML)
+        case "/favicon.ico":
+            w.Header().Set("Content-Type", "image/x-icon")
+            w.WriteHeader(http.StatusOK)
+            _, _ = w.Write(faviconICO)
+        default:
+            http.NotFound(w, r)
         }
-        staticHandler.ServeHTTP(w, r)
     })
     http.HandleFunc("/api/messages", func(w http.ResponseWriter, r *http.Request) {
         w.Header().Set("Content-Type", "application/json")