more work on attachments

* fix frontend env usage

apps/client/vite.config.ts

@@ -1,12 +1,23 @@
-import { defineConfig } from 'vite'
-import react from '@vitejs/plugin-react'
+import { defineConfig, loadEnv } from "vite";
+import react from "@vitejs/plugin-react";
+import * as path from "path";
 
-// https://vitejs.dev/config/
-export default defineConfig({
-  plugins: [react()],
-  resolve: {
-    alias: {
-      '@': '/src'
-    }
-  }
-})
+export const envPath = path.resolve(process.cwd(), "..", "..");
+
+export default defineConfig(({ mode }) => {
+  const { APP_URL } = loadEnv(mode, envPath, "");
+
+  return {
+    define: {
+      "process.env": {
+        APP_URL,
+      },
+    },
+    plugins: [react()],
+    resolve: {
+      alias: {
+        "@": "/src",
+      },
+    },
+  };
+});