build: rewrites 적용

.vercel.json

@@ -0,0 +1,8 @@
+{
+  "rewrites": [
+    {
+      "source": "/api/v1/:path*",
+      "destination": "http://58.233.84.92:9090/api/v1/:path*"
+    }
+  ]
+}

next.config.mjs

@@ -1,6 +1,14 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: false,
+  async rewrites() {
+    return [
+      {
+        source: '/api/v1/:path*',
+        destination: 'http://58.233.84.92:9090/api/v1/:path*',
+      },
+    ];
+  },
   images: {
     remotePatterns: [
       {

src/lib/fetcher/index.ts

@@ -34,8 +34,20 @@ class Fetcher {
     }
   }
 
+  makeURL(endpoint: string): URL {
+    let url: URL;
+
+    if (typeof window === 'undefined') {
+      url = new URL(endpoint, this.baseURL as string);
+    } else {
+      url = new URL(endpoint, window.location.origin);
+    }
+
+    return url;
+  }
+
   async get<T>(endpoint: string, params?: object, options?: FetcherRequestInit): Promise<T> {
-    const url = new URL(endpoint, this.baseURL);
+    const url = this.makeURL(endpoint);
 
     if (params) {
       url.search = qs.stringify(params);