How to Proxy Multiple File Uploads Using Node.js

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The Problem

Solution Overview

To achieve our goal, we will set up an Express route that accepts file uploads, processes them, and sends them to the target API. Below are the primary components and steps involved in implementing this solution.

Step 1: Set Up the Express App

First, make sure you have an Express application set up. If you haven't already, install the necessary packages:

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Step 2: Import Required Libraries and Middleware

To handle the file uploads, we will utilize express-fileupload to receive the file data, and form-data to format our data for submission to the remote API.

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Create the Upload Endpoint

Here, we define a POST route to handle the file uploads. When a request is received at /upload, we will check for incoming files, create a form, and send these files to the remote PHP API.

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Testing and Validation

Finally, you should thoroughly test your implementation. Make sure to test:

Single file uploads

Multiple file uploads

Error handling when files are missing or the API is unreachable

Conclusion