Multer With Form and File Uploding

var express = require('express');
var router = express.Router();
const multer  = require('multer');
const Teacher = require('../model/teacher_register');
const fs = require('fs')

const storage = multer.diskStorage({
    destination: function (req, file, cb) {
      cb(null, 'uploads/'); // Store uploaded images in the 'uploads' directory
    },
    filename: function (req, file, cb) {
      cb(null, Date.now() + '-' + file.originalname);
    },
  });
  
const upload = multer({ storage: storage });

const TeacherRegister = async (req, res, next) => {
    try {
        
        const teacher = new Teacher({
            tea_fname: req.body.tea_fname,
            tea_lname: req.body.tea_lname,
            tea_email: req.body.tea_email,
            tea_number: req.body.tea_number,
            tea_address: req.body.tea_address,
            tea_subject: req.body.tea_subject,
            tea_image: req.file.filename,
        })

        const teacher_data = await teacher.save();
        let teacher_id = teacher_data._id;

        res.json({
            status: 200,
            message: "Teacher Register Successfully",
            teacher_id: teacher_id,
            destination: "Please Save your Teacher id Becoses login time is required"

        })

    } catch (error) {

    fs.unlinkSync(req.file.path);
    
    res.json({
        status: 400,
        message: "Please Rechake Your Details",
        hint: "Some information is Duplicate"
    })
        
    }
}

router.post("/register",upload.single('tea_image'), TeacherRegister);