Last updated: Aug-06-2025
OverviewLearn how to upload assets in Node.js using the Cloudinary Node.js SDK.
Video tutorialYou can find the code from this tutorial in
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Tutorial contentsThis tutorial presents the following topics. Click a timestamp to jump to that part of the video.
Upload one image using the Node.js SDK Run the code and get a response   0:21 Run the code usingnpm run. The result will contain a secure URL. Copy and paste the URL into your browser to view the uploaded image. Upload multiple images   0:36 To upload multiple images, you could create an array containing the file paths of the images you want to upload. Then, iterate through the array and apply the upload method to each image. Run the code and get a response   0:58 Run this code using npm run. You'll receive a response for each image, including its secure URL. Install p-limit   1:11 If you're uploading a large number of images, consider using a different upload method like p-limit. This enables you to concurrently utilize promises while controlling the maximum number of simultaneous executions. Install p-limit using npm install p-limit. Set the concurrent promise limit   1:40 Start by importing p-limit and specify the maximum number of promises that can execute concurrently. In this example, the limit is set to 10 concurrent promises, which fits the limitation for the free plan. For example, if you're uploading 100 images, 10 uploads will process concurrently until all images are uploaded. Batch upload using p-limit   1:58 Create a function called imagesToUpload, which maps over each image in the images array. Within this function, utilize p-limit to enforce the concurrent promise limit set earlier. Inside the limited function, use the upload method to upload each image. Specify the current image using image from the mapping and return the upload result. Execute the function using let uploads = await Promise.all(imagesToUpload); and log the results to the console. Run the batch upload   2:44 Run the code to initiate the uploads, and get an array containing the outcomes of all the promises. Keep learning If you like this, you might also like...
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