Changes

src/plugins/cors.ts

@@ -0,0 +1,16 @@
+import { FastifyInstance } from "fastify";
+import fp from "fastify-plugin";
+import cors from "@fastify/cors";
+
+export default fp(async (server: FastifyInstance) => {
+    await server.register(cors, {
+        origin: [
+            "http://localhost:3000", // dein Nuxt-Frontend
+            "http://127.0.0.1:3000", // dein Nuxt-Frontend
+        ],
+        methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
+        allowedHeaders: ["Content-Type", "Authorization", "Context"],
+        exposedHeaders: ["Authorization"], // optional, falls du ihn auch auslesen willst
+        credentials: true, // wichtig, falls du Cookies nutzt
+    });
+});