maybe this fixes the fetch failed error

components/contactForm.jsx

@@ -34,7 +34,7 @@ export default function ContactForm() {
       return;
     }
 
-    const response = await axios.post("/api/contact", {
+    const response = await axios.post("http://localhost:3000/api/contact", {
       name: name,
       mail: mail,
       message: message,