Articles by Tag #lambda

Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!

Is this code deterministic?

I recently posted a small code snippet in a LinkedIn poll and asked what sounded like a simple...

Learn More 14 1Jan 16

AWS Serverless: Still the Boring Correct Choice

In the last 6 months, I've helped 3 AI startups migrate from Vercel or Cloudflare to AWS Lambda. The...

Learn More 17 4Jan 16

Nevermore.dev: LLM-as-judge on Lambda Durable Functions

“The past is dead. The future? Let’s make it less painful.” Writing post‑mortems is one of those...

Learn More 4 0Jan 27

How I Autoban Hackers Who Touch My Secret URLs

If you look at your server logs right now, I guarantee you’ll see them. The bots. The script...

Learn More 1 0Dec 24 '25

Building an Intelligent Document Processing Pipeline with AWS: A Journey from Idea to Production

TL;DR - Want to Skip the Story? Fork the repo, deploy in 10 minutes, start processing...

Learn More 2 0Dec 24 '25

Checked exceptions and lambdas

Java's checked exceptions were a massive improvement over C's error-handling mechanism. As time...

Learn More 7 0Jan 22

The InvalidCiphertextException Mystery: Decrypting Cognito's Encrypted OTP Codes

The Problem You're building a custom email sender for Cognito because the default emails...

Learn More 2 0Jan 1

Stop Malware at the Door: Automated S3 File Scanning with AWS GuardDuty

Photo by Ed Hardie on Unsplash Original Source:...

Learn More 1 0Nov 27 '25

A Cloud-based NBA Game Day Alert System using Python, AWS Lambda, SNS, and EventBridge.

Introduction This is the Week 1 Day 2 project of the 30-Day DevOps challenge that I am...

Learn More 5 0Feb 5 '25

Can AWS help us relive our childhood?

I had the blessing to come from a family where love, support and affection came from my parents and...

Learn More 1 0Oct 1 '25

Serverless Journey: From Zero to Hero with AWS Lambda

Beginning the serverless journey with AWS Lambda transforms how developers deploy and create...

Learn More 25 1Feb 24 '25

Step Functions without ASL? Welcome Lambda Durable Functions

I've regularly said that AWS Step Functions is my favorite service, this all might be changing with the introduction of Lambda Durable Functions. We'll be going on a deep dive into durable functions and how they work.

Learn More 7 0Dec 17 '25

🛠️ Using Cloud Functions for Serverless Computing 🧩

🔗 Hello Connectors! May your VPC remain secure and your network forever connected! 🛡️🌐 📚 All...

Learn More 30 13Apr 27 '25

Kiro Did It! – From Prompt to Customer API & UI Using Vibe Coding!

Hi! I’m Girish, an AWS Community Builder, Cloud Tech Enthusiast, with expertise in delivering...

Learn More 6 0Oct 17 '25

Web Scraping with AWS Lambda in Rust

Recently, I have been working on delivering best-in-class observability products for AWS Lambda in...

Learn More 21 2Feb 4 '25

Launching Your AI Agent on AWS: Bedrock, Lambda & API Gateway

Introduction In this post, I’m going to explore the implementation of a service that...

Learn More 7 0Nov 8 '25

The Replay Model: How AWS Lambda Durable Functions Actually Work

Understanding the checkpoint-based execution that makes long-running workflows possible You write an...

Learn More 4 0Dec 3 '25

DuckDB on AWS Lambda: The Easy Way with Layers

A few weeks ago, I faced a recurring task: every week, a batch of TSV files (which is just like a...

Learn More 6 2Sep 12 '25

AWS Lambda Stubs for unit testing

When working with AWS Lambda functions, unit testing can be a challenge due to the need to mocking...

Learn More 9 0Nov 3 '25

Automated Reporting System

Overview We’ll build a system using AWS Lambda and other serverless tools to automate daily...

Learn More 16 1Dec 31 '25

Is Serverless expensive at scale? Only if you are using it wrong

I have been part of the serverless ecosystem for some years now. I have spoken not only in Brazil,...

Learn More 5 0Sep 29 '25

Building a Real-Time Data Streaming Pipeline on AWS

Let’s imagine we are building a system to handle continuous streams of IoT sensor data, such as...

Learn More 5 0Oct 29 '25

AWS Durable Functions vs Step Functions: Is Code-First Orchestration the New Standard?

AWS Durable Functions launched in 2025 bring code-first workflow orchestration to Lambda. Learn how they compare to Step Functions with full examples and CDK deployment.

Learn More 2 0Dec 21 '25

Solving cold start in AWS Lambda with intelligent distributed Cache

You know that frustration when your serverless API takes 3 seconds on the first request? In...

Learn More 6 3Aug 27 '25

🚀 Mastering AWS Lambda Performance — Real-World Optimization Tips That Actually Work

I’ve been using AWS Lambda for a while now, and one thing that never gets old? Watching code scale...

Learn More 3 0Oct 29 '25

AWS Serverless Guide: Securing IoT Data Ingestion with API Gateway, Lambda, and DynamoDB

When I set out to build my gas emissions monitoring system, I faced a choice. I could build the...

Learn More 3 0Dec 31 '25

AWS Modulo 3: Lambda con Go

Compilé para Linux sin Salir de mi Mac (y Costó $0.06) 📚 Serie: AWS Zero to Architect -...

Learn More 1 0Dec 14 '25

Deploying a Serverless AI Agent with AWS Bedrock, Lambda, and API Gateway

This guide walks through building a question-answering service powered by GenAI using AWS bedrock....

Learn More 1 0Dec 28 '25

Optimizing Data Processing on AWS with Data Compaction

Original Japanese article: AWSでの効率的なデータ処理を考える~データコンパクション~ Introduction I'm Aki, an AWS...

Learn More 4 0Nov 22 '25

Batch publishing Twitch chatroom messages - with AWS Lambda Durable Multi-Step Executions

Hi all! AWS have announced yet another AWS Lambda feature release. In this post I will be covering...

Learn More 1 0Dec 11 '25