first commit

.gitignore

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+node_modules/

index.js

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+const express = require('express');
+const http = require('http');
+const cors = require('cors');
+const dotenv = require('dotenv');
+const fileUpload = require('express-fileupload');
+const app = express();
+const server = http.createServer(app);
+
+
+dotenv.config();
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(fileUpload());
+app.options('*', cors());
+app.use(cors());
+
+app.get('/', (req, res) => {
+    console.log("Hello World!");
+    res.send('Hello World!');
+})
+
+app.use('/scan', require('./routes/scan_routes'));
+
+
+// app error handler
+app.use((err, req, res, next) => {
+    console.log(err);
+    res.status(500).send('Something broke!');
+});
+
+
+module.exports = { app, server };
+
+const port = process.env.PORT || 3000;
+
+server.listen(port, () => {
+    console.log(`Server running on port ${port}`);
+})

package.json

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+{
+  "name": "rfid",
+  "version": "1.0.0",
+  "description": "rfid",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "nodemon index.js",
+    "dev": "nodemon index.js"
+  },
+  "author": "kicap karan",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.20.2",
+    "cors": "^2.8.5",
+    "dotenv": "^16.4.5",
+    "express": "^4.18.2",
+    "express-fileupload": "^1.4.3",
+    "express-form-data": "^2.0.23",
+    "mysql": "^2.18.1",
+    "nodemon": "^3.1.0"
+  }
+}

routes/scan_routes.js

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+const express = require('express');
+const router = express.Router();
+
+router.post('/', (req, res) => {
+    let { uid } = req.body
+    console.log(uid);
+    return  res.json({ success: true , uid: uid})
+})
+
+module.exports = router;