Add backend and frontend

frontend/modern.config.ts

@@ -0,0 +1,25 @@
+import { URL } from 'url';
+import { appTools, defineConfig } from '@modern-js/app-tools';
+
+const apiBase = new URL(process.env.API_BASE || 'http://localhost:8000');
+
+// https://modernjs.dev/en/configure/app/usage
+export default defineConfig({
+  bff: {
+    proxy: {
+      '/api': {
+        target: apiBase.origin,
+        changeOrigin: true,
+        pathRewrite: { '^/api': apiBase.pathname },
+      },
+    },
+  },
+  runtime: {
+    router: true,
+  },
+  plugins: [
+    appTools({
+      bundler: 'experimental-rspack',
+    }),
+  ],
+});