Deploy chat server to Hugging Face Space

.gitignore

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+node_modules/
+.env
+test_ai.js
+test_message.json
+*.log

Dockerfile

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+FROM node:18-slim
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install --production
+
+# Copy server code
+COPY server.js ./
+
+# Expose port
+EXPOSE 7860
+
+# Start server
+CMD ["node", "server.js"]

README.md

@@ -1,11 +1,40 @@
 ---
-title: Chatapk
-emoji: 🏃
-colorFrom: red
-colorTo: pink
+title: Chat App Server
+emoji: 💬
+colorFrom: purple
+colorTo: blue
 sdk: docker
 pinned: false
-license: mit
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# Chat App Server
+
+Backend server for Chat App Premium - Real-time messaging with MongoDB.
+
+## Features
+- REST API for messages
+- MongoDB Atlas integration
+- CORS enabled
+- Real-time message storage
+
+## API Endpoints
+
+### GET /messages
+Returns last 50 messages
+
+### POST /messages
+Create new message
+
+**Body:**
+```json
+{
+  "text": "Hello",
+  "senderId": "user123",
+  "senderName": "John",
+  "isAi": false
+}
+```
+
+## Environment Variables
+- `MONGO_URI`: MongoDB connection string
+- `PORT`: Server port (default: 7860)

package.json

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+{
+    "name": "chat-app-server",
+    "version": "1.0.0",
+    "description": "Chat App Backend Server",
+    "main": "server.js",
+    "scripts": {
+        "start": "node server.js"
+    },
+    "dependencies": {
+        "express": "^4.21.2",
+        "mongoose": "^8.9.4",
+        "cors": "^2.8.5"
+    }
+}

server.js

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+const express = require('express');
+const mongoose = require('mongoose');
+const cors = require('cors');
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+
+// MongoDB Connection
+const MONGO_URI = process.env.MONGO_URI || "mongodb+srv://ibrohm135:mansur5754@cluster0.intw8qq.mongodb.net/?appName=Cluster0";
+
+mongoose.connect(MONGO_URI)
+    .then(() => console.log("✅ Connected to MongoDB Atlas"))
+    .catch(err => console.error("❌ MongoDB connection error:", err));
+
+// Message Schema
+const MessageSchema = new mongoose.Schema({
+    text: String,
+    senderId: String,
+    senderName: String,
+    isAi: Boolean,
+    timestamp: { type: Date, default: Date.now }
+});
+
+const Message = mongoose.model('Message', MessageSchema);
+
+// Routes
+app.get('/', (req, res) => {
+    res.json({
+        status: 'running',
+        message: 'Chat App Server - Hugging Face Space',
+        endpoints: {
+            messages: 'GET/POST /messages'
+        }
+    });
+});
+
+app.get('/messages', async (req, res) => {
+    try {
+        const messages = await Message.find().sort({ timestamp: -1 }).limit(50);
+        res.json(messages);
+    } catch (e) {
+        res.status(500).json({ error: e.message });
+    }
+});
+
+app.post('/messages', async (req, res) => {
+    try {
+        const { text, senderId, senderName, isAi } = req.body;
+
+        const newMessage = new Message({ text, senderId, senderName, isAi });
+        await newMessage.save();
+
+        res.json(newMessage);
+    } catch (e) {
+        res.status(500).json({ error: e.message });
+    }
+});
+
+const PORT = process.env.PORT || 7860;
+app.listen(PORT, '0.0.0.0', () => {
+    console.log(`🚀 Server running on port ${PORT}`);
+});