multer is a Node.js middleware for handling multipart/form-data, which is primarily used for uploading files in Express REST applications.
Node.js File Uploads with Multer
Handle multipart/form-data payloads and store files securely.
Key Takeaways: Node.js File Uploads with Multer
Mastering Node.js File Uploads with Multer helps you write clean and reliable Node.js code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.
Node.js File Uploads with Multer Code Example
Node.js// In Express:
// const multer = require("multer");
// const upload = multer({ dest: "uploads/" });
// app.post("/api/avatar", upload.single("avatar"), (req, res) => {
// res.json({ filename: req.file.filename });
// });
console.log("Multer disk storage middleware ready for file uploads.");Output
Multer disk storage middleware ready for file uploads.
Run this example on your own computer. The "Get Started" lesson shows how to set it up.
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