Merge pull request 'bugfixed' (#18) from readme_file_changes into main

Reviewed-on: Fabelous/GO-Translator#18

main.go

@@ -217,17 +217,15 @@ func handleRequest(w http.ResponseWriter, r *http.Request) {
 
 func main() {
     // Define the HTTP handler function
-	http.HandleFunc("", handleRequest)
+    http.HandleFunc("/", handleRequest) // This ensures all requests are routed to handleRequest
 
-	// Get the port number from the environment variable or use a default value
+    // Define the port and ensure listening on localhost only
     port := "53184"
-	if p := os.Getenv("PORT"); p != "" {
-		port = p
-	}
+    address := fmt.Sprintf("localhost:%s", port) // Listen on localhost interface only
 
     // Start the HTTP server
-	fmt.Printf("Listening :%s...\n", port)
-	err := http.ListenAndServe(":"+port, nil)
+    fmt.Printf("Listening on %s...\n", address)
+    err := http.ListenAndServe(address, nil)
     if err != nil {
         log.Fatalf("Failed to start server: %v", err)
     }