feat: implement all admin functions

start.js

@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+/* eslint-disable no-console,@typescript-eslint/no-var-requires */
+const http = require('http');
+
+// 直接在当前进程中启动 standalone Server（`server.js`）
+require('./server.js');
+
+// 每 1 秒轮询一次，直到请求成功
+const TARGET_URL = `http://${process.env.HOSTNAME || 'localhost'}:${
+  process.env.PORT || 3000
+}/login`;
+
+const intervalId = setInterval(() => {
+  console.log(`Fetching ${TARGET_URL} ...`);
+
+  const req = http.get(TARGET_URL, (res) => {
+    // 当返回 2xx 状态码时认为成功，然后停止轮询
+    if (res.statusCode && res.statusCode >= 200 && res.statusCode < 300) {
+      console.log('Server is up, stop polling.');
+      clearInterval(intervalId);
+    }
+  });
+
+  req.setTimeout(2000, () => {
+    req.destroy();
+  });
+}, 1000);