phone auth, image uploading, address broken up

backend/middleware/upload.js

@@ -0,0 +1,40 @@
+const multer = require('multer');
+const path = require('path');
+const { v4: uuidv4 } = require('uuid');
+
+// Configure storage for profile images
+const profileImageStorage = multer.diskStorage({
+  destination: function (req, file, cb) {
+    cb(null, path.join(__dirname, '../uploads/profiles'));
+  },
+  filename: function (req, file, cb) {
+    // Generate unique filename: uuid + original extension
+    const uniqueId = uuidv4();
+    const ext = path.extname(file.originalname);
+    cb(null, `${uniqueId}${ext}`);
+  }
+});
+
+// File filter to accept only images
+const imageFileFilter = (req, file, cb) => {
+  // Accept images only
+  const allowedMimes = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif', 'image/webp'];
+  if (allowedMimes.includes(file.mimetype)) {
+    cb(null, true);
+  } else {
+    cb(new Error('Invalid file type. Only JPEG, PNG, GIF and WebP images are allowed.'), false);
+  }
+};
+
+// Create multer upload middleware for profile images
+const uploadProfileImage = multer({
+  storage: profileImageStorage,
+  fileFilter: imageFileFilter,
+  limits: {
+    fileSize: 5 * 1024 * 1024 // 5MB limit
+  }
+}).single('profileImage');
+
+module.exports = {
+  uploadProfileImage
+};