1- AWS Serverless: Designing a serverless API: Order Processing API (E-commerce)
Modern enterprise order processing architectures must decouple synchronous client demands from asynchronous backend dependencies. Here I'll detail a h…
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Triggering Lambda Durable Functions from SQS
Lambda durable functions, introduced in re:Invent 2025, are a great fit for long-running workflows that need to wait for external events, callbacks, o…
AWS Lambda Managed Instances with Java 25 and AWS SAM – Part 7 Implement scheduled scaling
Implement scheduled scaling Recently, Amazon EventBridge Scheduler added 619 new SDK API actions . One of these actions adjusts the Lambda function's …
We Replaced Jest With node:test in 12 Services — Here's What Broke and What Didn't
After months of using Jest for unit testing, we decided to take the plunge and migrate to the built-in node:test runner. The results were surprising, …
Building a Production Serverless URL Shortener on AWS — 21 Articles, Every Test Run for Real
Most serverless tutorials stop at a hello-world Lambda behind API Gateway. I wanted the opposite: build one real product end to end, run every command…
S3 Files Killed My Least Favorite Lambda Pattern
Every Lambda function I have written that touches S3 has the same three lines of plumbing: s3 . download_file ( bucket , key , " /tmp/input.csv " ) pr…
Lambda Execution Roles Are Quietly Breaking Your Least Privilege Policy
Who This Is For If you are using AWS Lambda to build serverless applications and you have never stopped to look closely at the IAM roles attached to y…
Building a Low-Cost Image Converter on AWS With Rust Lambda
Project demo link : https://image-ignite.vercel.app/ This started as a hobby project. I was thinking about a simple image conversion service for resiz…
Automatically Healing CloudFormation Drift with Durable Functions
This article is a machine translation of the contents of the following URL, which I wrote in Japanese: Durable Functions を用いて CloudFormation のドリフトを自動修…
The Truth About Serverless APIs Nobody Mentions
I've noticed serverless conversations tend to split into two camps: People who think it solves everything, and people who think it's a mistake. The re…
Bun on Lambda Is Faster Than Node.js 22 — But Is It Production Ready?
After running Bun on Lambda for 60 days, we discovered it's 3x faster than Node.js 22. However, the transition wasn't without its surprises. Here's wh…
Build your own daily notification bot on AWS Free Tier
A Lambda function checks the forecast, Bedrock tells you what to wear, and ntfy.sh pushes it to your phone before you get ready for the day, and it's …
Self-Hosted Vessel Email Alerts with AWS Lambda and SES
The thing you actually want is an email. Not a dashboard you have to remember to open. Not a webhook you have to write a server for. An email — the ki…