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How to set up Multer for file uploads in Node.js

8/8/2024

Multer is a middleware for handling multipart/form-data, which is primarily used for uploading files. Here is a step-by-step guide on how to set up Multer for file uploads in Node.js.

1. Install Multer on the server side by typing npm install multer in the terminal.
2. Set up server side:
  • Require Multer: Import Multer and other necessary modules, const multer = require("multer");
  • Configure Storage: Define storage options, including destination and filename.
  • Create middleware: Set up the Multer middleware to handle file uploads.
  • Create endpoint: Define an endpoint to handle file uploads.
3. Set up Client side:
  • Install Axios: Use Axios to make HTTP requests from the client side, install by typing npm install axios.
  • Create a form: Create a form for uploading details and images.
  • Handle File Change: Add a function to handle file input changes.
  • Upload files: Define a function to upload files to the server.
  • Handle form submission: Integrate the file upload and data submission within the form's submit handler.

Written by: Silvia Reyes