<h2>Introduction</h2><p>DigitalOcean Spaces is an object storage service offering a simple, scalable, and affordable way to store any data: audio, videos, images, backups, documents, and much more.
It scales on-demand, and you pay only for what you use.<p><p>You can learn more about DigitalOcean Spaces <p><p>When using DigitalOcean Spaces, you may want to perform data-processing when an event occurs on your bucket to transform, analyze, or optimize your data.
DigitalOcean does not provide the primitive to achieve this kind of operation.<p><p>Koyeb is a serverless data-processing platform that offers a simple, robust, and scalable way to deploy and process functions to perform data operations and manipulations in minutes regardless of the cloud service provide you use.<p><p>This guide demonstrates how to deploy a processing function on Koyeb that generates a thumbnail each time a new image file is uploaded on your DigitalOcean Spaces bucket.<p><h2>Requirements</h2><h2>Steps</h2><p>To implement this guide and generate a thumbnail each time a file is uploaded to your DigitalOcean bucket, you need to follow these four steps:<p><ul><li>undefined</li><li>undefined</li><li>undefined</li><li>undefined</li></ul><h2>Generate Spaces Access Keys</h2><p>To get started, you need to generate a new DigitalOcean Spaces access key to connect your DigitalOcean Spaces bucket to Koyeb. Connecting your DigitalOcean Spaces bucket to Koyeb is a mandatory
step to benefit from the Koyeb processing engine.<p><p>To generate a new Spaces key pair, on the DigitalOcean control panel, click <p><p>undefined<p><p>You land on the Applications & API page where you can manage your API tokens, and Spaces access keys. In the Space access key section, click the <p><p>A modal appears and prompts you to enter a <p><p>undefined<p><p>In the table, you now see your access key and secret key. Copy and save these values in a safe place. You will use them in the next step to connect your DigitalOcean Spaces bucket to Koyeb.<p><p>undefined<p><h2>Connect your DigitalOcean Spaces Bucket to Koyeb</h2><p>Now that you have generated a DigitalOcean Spaces key pair, you need to connect your DigitalOcean bucket to Koyeb. This operation allows Koyeb to receive the events that occur in your DigitalOcean bucket and to trigger your function when a new image is uploaded.<p><p>On the Koyeb Control panel, click the <p><p>undefined<p><p>A form appears that asks for the information about the Spaces bucket you want to connect:<p><p>undefined<p><ul><li>Fill the </li><li>Enter the region your </li><li>Under Access_key, click the </li><li>Select the </li><li>Under Secret_key, click the </li><li>Select the </li><li>Give the Koyeb Store a name, in my case </li><li>Click the </li></ul><p>You created a Koyeb Store, which lets you access the content of your DigitalOcean Spaces bucket. Koyeb natively provides an S3-compatible API to let you interact with your Store using the S3 protocol to upload and manage your content.<p><h2>Create a Stack and Deploy the Thumbnail Generator Function</h2><p>Once your Store configuration is done; you can now create a Stack and deploy the function to generate a thumbnail each time a new image is uploaded to your DigitalOcean Spaces bucket.<p><p>On the top navigation bar, click the <p><p>You land on the Stack creation page. Stack is a Koyeb resource used to implement data-processing logic. A Stack is composed of two core elements:<p><ul><li>Event bus: To receive events from Store or different sources</li><li>Functions: Python, Node.js, Docker containers, or ready-to-use catalog apps triggered on specific events</li></ul><p>On the Stack creation view, click the <p><p>Then, give your Stack a name. Here I named my stack <p><p>You are now asked to create a new Stack revision. Stack revisions allow you to version your changes so you can rollback to a previous version in seconds and track your changes.<p><p>In the catalog function inputs, search for <p><p>This configuration uses the <p><p>The function will be triggered each time an image is uploaded to your DigitalOcean Store via the Koyeb S3-Compatible API.<p><h2>Upload a Few Images to the Bucket and View Results</h2><p>It's now time to upload some images to your Store and see what happens.<p><p>On the Koyeb control panel, click Stores and select the Store you previously created.<p><p>Click the <p><p>In the folder <p><h1>Conclusion</h1><p>In this guide, you saw how to implement a processing function to generate a thumbnail for each image uploaded to a Koyeb Store. This Store is connected to a DigitalOcean Spaces bucket and allows you to
upload and manage content via the Koyeb S3-Compatible API to benefit from Koyeb's S3-Compatible event-driven processing features.<p><p>Feel free to reach out to us over <p>

This guide showcases how Koyeb allows you to process images Stores in a DigitalOcean Spaces bucket to generate a thumbnail each time a new image is uploaded.

Process DigitalOcean Spaces Bucket Images to Generate Thumbnails

<h2>Introduction</h2><p>Backblaze B2 Cloud Storage is an S3-compatible cloud storage provider. At ¼ the price of AWS S3, Backblaze is a cost-effective option to store and manage data at scale.<p><p>You can learn more about Backblaze B2 Storage <p><p>Koyeb is a serverless data-processing platform that offers a simple, robust, and scalable way to deploy and process functions to perform data operations and manipulations in minutes. Regardless of the cloud service provider you use, you can connect the data hosted by that provider to Koyeb and deploy functions that process your data quickly and at scale.
Combining Koyeb with Backblaze lets you enjoy one of the most affordable object storage platforms on the market while leveraging the most powerful platform to process data.<p><p>This guide demonstrates how to deploy a processing function on Koyeb that <p><h2>Requirements</h2><h2>Steps</h2><p>To  generate a watermark on each image file uploaded to your Backblaze B2 bucket, you need to:<p><ul><li>undefined</li><li>undefined</li><li>undefined</li><li>undefined</li></ul><h2>Generate Backblaze Acccess Keys</h2><p>To be able to connect your Backblaze B2 bucket to Koyeb, you first need to generate a <p><p>You can generate this Access Key in your <p><p>undefined<p><p>Scroll down the page and click <p><p>undefined<p><p>A modal appears:<p><ul><li>Enter the name for your Application Key.</li><li>Decide which buckets this Application Key can access.</li><li>Determine what level of access this Application Key will grant.</li></ul><p>undefined<p><p>Once you've finished entering the relevant information for this Application Key, hit <p><p>You will now see your new Application Key, which is composed of your <p><h2>Connect your Backblaze B2 Bucket to Koyeb</h2><p>Now that you have generated a Backblaze B2 key pair, you need to connect your Backblaze bucket to Koyeb. This operation allows Koyeb to receive the events that occur in your Backblaze bucket and to trigger your function when a new image is uploaded.<p><p>On the Koyeb Control panel, click the <p><p>undefined<p><p>In the list of cloud service providers, select <p><p>undefined<p><p>A form appears that asks for the information about the Backblaze bucket you want to connect:<p><ul><li>Fill the </li><li>Enter the </li><li>Click the </li><li>Choose a </li><li>Select the </li><li>Click the </li><li>Choose a </li><li>Select the </li><li>Give the Koyeb Store a name, such as </li><li>Click the </li></ul><p>You have just successfully created a Koyeb Store that mirrors the content of your Backblaze B2 bucket. Koyeb natively provides an S3-compatible API to let you interact with your Store using the S3 protocol to upload and manage your content.<p><h2>Create a Stack and Deploy the Watermark Function</h2><p>Once your Store configuration is done, you can create a Stack and deploy the function to generate a watermark each time a new image is uploaded to your Backblaze B2 bucket.<p><p>Look at the top navigation bar, click the <p><p>You land on the Stack creation page. A <p><ul><li>Event bus: To receive events from a Store or different sources</li><li>Functions: Python, Node.js, Docker containers, or ready-to-use catalog apps triggered on specific events</li></ul><p>From the Stack creation view, click the <p><p>undefined<p><p>Give your Stack a name, for example: <p><p>You are now prompted to create a <p><p>In the catalog function inputs, search for <p><p>undefined<p><p>A snippet appears. Replace the configuration variables with your settings.<p><p> In this example configuration, the <p><ul><li>Is 10% the size of the image that the watermark is placed on</li><li>Has a margin of 5 pixels</li></ul><p>The generated watermarked image is stored in the <p><p>When you are ready, write a revision message and click <p><p>This function will be triggered each time an image is uploaded to your Backblaze Store via the Koyeb S3-Compatible API.<p><h2>Upload Images to the Bucket and View Results</h2><p>It's now time to upload some images to your Store and see what happens.<p><p>On the Koyeb Control Panel, click <p><p>Click the <p><p>In the folder <p><p>An example image watermarked with the function:<p><p>undefined<p><h2>Conclusion</h2><p>In this guide, you saw how to implement a processing function to generate a watermarked image for each image uploaded to a Koyeb Store that is connected to a Backblaze bucket. Now you can upload and manage content via the Koyeb S3-Compatible API to benefit from Koyeb's S3-Compatible event-driven processing features.<p><p>Feel free to reach out to us over <p>

This guide demonstrates how Koyeb allows you to process images stored in a Backblaze B2 bucket to generate a watermarked image each time a new image is uploaded to the bucket.

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Process DigitalOcean Spaces Bucket Images to Generate Thumbnails

Process Backblaze B2 Bucket Images to Generate Watermarked Images