4. Initialize Express backend

backend/index.js

@@ -0,0 +1,11 @@
+const express = require("express");
+const { Bot } = require("grammy");
+
+const bot = new Bot("TOPSECRET:TOKEN");
+const app = express();
+
+app.use(express.json());
+
+app.listen(3000, () => {
+  console.log("Server is running on port 3000");
+});

backend/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.19.2",
+    "grammy": "^1.28.0",
+    "http-proxy-middleware": "^3.0.0"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.21"
+  }
+}