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Showing posts from February, 2026

S3 Event Notifications Using Lambda

I earned my AWS Solutions Architect Certification in Feb 2026 (🎊) but Like Smash Mouth said, "So much to do...so much to see."  I've used Lambdas that, when an object was uploaded to a bucket, sent a notification to Eventbridge, and then sent me a text and email via SNS. Now, thanks to the free project on Adrian Cantrill's GitHub , I'm going to make a small image processing eventflow. (Emoji use is for fun; Everything here written by a human being.)  What's Happening: Images uploaded to an S3 bucket are made into 5 thumbnail variations thanks to the power of Lambdas and inserted into an output bucket.   Business Use case; If you want to get quick thumbnails.  Maybe this can be scaled out to do file conversion, like .txt to .pdf.  Materials: 2 S3 buckets - one for input, one for processed output. Lambda An image!  Step 1: Bucket Creation  🪣 I made one bucket (runtcpip-source, for images to go in) and copied the settings from it to make the second...