#aws-lambda

Rotate AWS Access Keys Automatically With EventBridge + Lambda

Find keys older than 90 days, issue a replacement, and retire the old one without breaking production.

How to Build an Automatic Kill Switch for Amazon Bedrock Costs

Your AI bill doesn’t have a speed limit

CronJob Automation using AWS EventBridge

Replace traditional cronjobs with serverless scheduling — no servers to manage, no missed executions, and full AWS integration out of the…

Update Amazon EventBridge Scheduler Using Node.js | A CloudFront Series | Part-3

Have you ever wanted to change an AWS EventBridge Scheduler without opening the AWS Console?

Your AI Writes Code. Where Do You Run It? -Bedrock + Lambda MicroVMs

An LLM will happily write you a Python script. The moment you actually run that script, you have a problem: it’s untrusted code, and exec()…

AWS CloudFront + Lambda@Edge: The Complete CDN Guide | POC |A CloudFront Series | Part-2

Every second your website is slow, you’re losing someone. Not metaphorically, literally. Google’s research shows that a one-second delay in…

Automating AWS Cost Optimization: Cleaning Up Old EBS Snapshots with Lambda

Introduction

Save 99% on AWS EC2: Schedule Your Instance to Run Only 30 Minutes a Day

Use AWS Lambda and EventBridge to automatically start and stop EC2 instances on a precise schedule no always-on server required.

I Broke My Own Serverless App on Purpose (Chaos Engineering on a Budget with AWS FIS)

Why I did this

This Open-Source Tool Runs 45 AWS Services on Your Laptop Using Just 13 MiB of RAM

If you’ve ever built applications on AWS, you’ve probably experienced this. You make a tiny change to a Lambda function. Then you wait……

The AWS Service That Doesn’t Feel Like AWS: Lightsail Explained

If you’ve ever opened the AWS console for the first time, you know the feeling — dozens of services, a wall of acronyms, and a distinct…

Joker Turkiye partners with Clerion to power Turkey’s first real-time TV quiz at scale

About Joker Turkiye

Building Serverless Graph Intelligence Platforms on AWS Neptune and Lambda

Building scalable graph-powered AI systems using AWS Neptune, Lambda, and serverless architectures to uncover hidden relationships and…

The Service Nobody Talks About Until They Desperately Need It: AWS Batch Explained

Most AWS compute services get built around the idea of “keep something running and responsive.” AWS Batch flips that completely. It’s not…

Thinking like a pro: Building an e-commerce platform on AWS

I am a beginner, trying to become Master Yoda. This is a no nonsense article on how to think like a pro on building an e-commerce platform…

Amazon Quick Suite Turns Your Dashboards Into an Agent

Golden Jacket Field Notes, Week 16

How We Run Scarce GPU Workloads Across 6 AWS Regions With Step Functions for “Viewcraft”

You want to launch a g6e instance to run an AI image generation. You ask a region for one. The region says no, not right now, no capacity…

AWS Just Retired Its Flagship AI Agent Product. It Launched in 2023.

Bedrock Agents is now “Classic.” The replacement asks you to start over.

Import Error on AWS Lambda

The Problem

The Invisible Servers: AWS Fargate Explained

Here’s a weird thing about Fargate: it’s not really a standalone service. You can’t just “launch a Fargate.” It’s more like an upgrade you…

I Built a Staging Environment That Costs 85% Less and Never Gets in a Developer’s Way

How native AWS scheduling, a holiday-aware Lambda, and a single Slack command turned an always-on server into something that only runs when…

Event-Driven, Not Polling: Inserting S3 Uploads into DynamoDB the Right Way

A vendor drops a file into your S3 bucket. Milliseconds later, the records are in DynamoDB. No cron jobs, no polling loops, no servers —…

AWS Lambda MicroVMs: The New Serverless Compute Primitive for AI Agents and Isolated Sandboxes

For a decade, serverless architects have lived with a fundamental trade-off.

API Test Automation on AWS: Recording Real Behavior Instead of Writing Predictions

AWS teams often test APIs the hard way. They write assertions predicting what responses should look like. They mock dependencies to…

A Complete Migration Guide from Legacy Architectures to Serverless Cloud Computing

Serverless platforms bring innovation, replacing infrastructure maintenance with code-centric development. Now, developers are no longer…

Building a Serverless Rules-Based Workflow on AWS: Step Functions, Lambda, DynamoDB, and SQS

Every enterprise that processes high-volume transactions eventually hits the same wall.

Nobody’s Home: How AWS Lambda Runs Code Without a Server

If EC2 is like renting an apartment, Lambda is like staying in a hotel room you only pay for while you’re actually sleeping in it. You show…

How I Cut Our Database Load by Over Half — Without Adding Any New Infrastructure

How I reduced DynamoDB reads by 61% on AWS Lambda using 7 in-process TTL caches — no ElastiCache, no DAX, no added infrastructure.

The Power of Serverless Architecture: Scaling AI-Driven Image Workflows on AWS for Thousands of…

A real-world architecture combining AWS Lambda, Step Functions, and other AWS Services to handle high-throughput AI image processing…

I built a self-healing AWS system for $12 a month. Here’s what in learned

Most “auto-healing” AWS tutorials seem to skip the hardest question: what does “healing” actually mean.

So, What Actually Is Amazon EC2?

If you’ve started learning AWS, you’ve probably run into EC2 within the first five minutes. It’s usually the first service every tutorial…

How to Archive Expired DynamoDB Records Cheaply; Without Slowing Down Your Application

Imagine you’re building an e-commerce platform. Every completed order is stored in DynamoDB. Customers usually check their orders within…

AWS Compute Services Explained: Which One Should You Actually Use?

If you’re new to AWS — or even if you’ve been using it for a while — the sheer number of compute options can be overwhelming. EC2, Lambda…

Building an AI-Powered Content Automation on AWS (Serverless + Gemini AI)

Automatically monitor blog posts, generate social media content with AI, and send approval emails before publishing.

I “Won” an S3 Benchmark by Cheating at Cost: discovering a missing AWS Primitive

How server-side copies build a 15 GB ZIP in ~11 seconds on one Lambda, why the “cheapest” entry is secretly the most expensive, and the one…

Buy for Speed, Build for Cost: Turning a Side Project Into a Live AWS Business in Five Weeks

Event: AWS AI In Practice | Speaker: Damien Jones (AWS Consultant, Steamhaus) | Date: 10 June 2026 | Location: London

AWS Lambda MicroVMs

First impressions of the latest development in AWS Lambda and how you can leverage it

Async Python with AWS Lambda Durable Functions: Official SDK vs Async-First SDK

AWS Lambda Durable Functions are a strong fit for long-running workflows: approvals, polling jobs, retries, multi-step business processes…

AgentCore vs Reality: Lessons from Building Production AI Agents on AWS

Event: AWS AI In Practice | Speaker: Marina Kim (Tech Lead, Vidatec) | Date: 10 June 2026 | Location: London

Creating your own Gen AI assistant

A Slack application and an AWS native answer to conserve institutional knowledge

How to Deploy a Bot in Medplum

Medplum bots are serverless functions that run on AWS Lambda, letting you automate clinical workflows, integrate with third-party services…

AWS Workload Credentials Provider for AWS Lambdas, hands-on

On June 11, 2026 AWS announced the AWS Workload Credentials Provider (AWS WCP), a client-side application that provides unified access to…

Building an AI-Powered Helm PR Reviewer with Amazon Bedrock

As a DevOps Engineer, I find that existing Helm validation tools are excellent at identifying configuration issues, but they often report…

Lambda Testing in Testlum: Direct, Stateless, and Highly Scalable Testing for AWS Lambda Functions

How Testlum Enables Predictable and Scalable Serverless Testing

First Principles Decision Making

Why I Used S3 Instead of EC2, Elastic Beanstalk, ECS, or Lambda

The AWS Data Engineer’s Daily Toolkit: AWS Essential Services That Power Modern Data Pipelines

Data engineering is no longer just about moving data from one system to another. Today, it’s about designing scalable, reliable, and…

🤖 Amazon Bedrock: Building a Simple Blog Summarizer 📝

>>> A hands-on introduction to Amazon Bedrock using Lambda, API Gateway, CDK, and GitHub Actions

Unlocking the Power of HTTP APIs in Amazon API Gateway with AWS Lambda Integration

“ I have checked the documents of AWS for unlocking the power of http apis in amazon api gateway with aws lambda integration. Amazon API…

Best AWS Data Engineering Online Course in Ameerpet

AgentCore Gateway: Your Lambda Functions Are Now MCP Tools

You have already written the business logic for your Lambda functions. The tough part was not really about writing the code itself. It was…