I let an AI coding agent build a 1,300-page site with a $0 server bill
I'm not a full-time developer. For the past few days I've been running an experiment: I describe what I want in plain Korean, and an AI coding agent…
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How to deploy TanStack Start to Cloudflare Workers with D1, R2 and better-auth
TanStack Start runs well on Cloudflare Workers. The official guides get you to "Hello world" quickly. The trouble starts when you add a database, fi…
Running Agent-Based Reverse Engineering on Cloudflare Workers
Running Agent-Based Reverse Engineering on Cloudflare Workers When I first saw morluto/rea—a framework for reverse engineering apps and binaries usi…
AWS Lambda Web Functions: your HTTP server on Lambda, with real concurrency and active-CPU billing
On October 12, AWS launched Lambda Web Functions , and it's the biggest change to Lambda's programming model in years. Instead of writing a handler…
Azure Functions vs WebJobs: Choosing the Right Tool
In cloud applications, background processing is often needed for scheduled tasks, queue processing, and operations that should run independently of…
AWS Launches Serverless AI Runtime: No Code, Just Compute
Amazon Web Services (AWS) has officially unveiled its new Serverless AI Runtime, a major update to its cloud computing service that promises to elim…
Beyond Isolates: How MicroVMs are Redefining Edge Function Performance
Moving Beyond the Isolate Paradigm The serverless and edge computing landscape is currently undergoing a significant shift. For years, the industry…
Serverless vs Containers: A Cost Analysis with Real Numbers
September 2026 | ~16 min read The $12,400 Surprise We ran the same REST API on both Lambda and ECS Fargate for 3 months. Lambda cost $87/month at lo…
Build, Operate, and Automate Sinch APIs with the Sinch CLI
The Sinch CLI ( @sinch/cli ) puts the Sinch platform in one terminal command: sinch . You can get a phone number, route calls to a Voice API v2 serv…
Beyond Stateless Lambda: Harnessing MicroVMs for Isolated AI Sandboxes
Here is the updated, complete blog post incorporating the AWS Console location and Terraform code specification as dedicated sections. Unlocking Nex…
EventBridge's new custom event bus: one bus for the whole org, with ordering, replay and per-GB pricing
On September 24, 2026, AWS relaunched the Amazon EventBridge custom event bus. This isn't a new toggle on the bus you already know. It's a separate…
Cloudflare Email Worker inbox: store every message in D1 in 30 lines
Originally published at guushu.com/notes . I keep the original updated, so this copy may lag. Email Routing forwards a message and keeps nothing. If…
Running a serverless AI code review agent on AWS Lambda with PR-Agent and CDK
Code reviews are an essential part of our day to day work. Their importance and way of execution have changed a bit in the GenAI era. In this post,…
AWS Lambda Durable Functions and the Replay Bug in Human-in-the-Loop Agents
Ciao 👋 Here is a sentence that should not be possible: my workflow executed an action a human explicitly did not approve. Not a different user's act…
I built a to-do app that hatches creatures because I couldn't make myself do anything
The confession first I am a software engineer. I ship things for a living. And I have never once, in my adult life, opened a to-do app and felt anyt…
Architecture Case Study: How HYNAWEB Operates a Global Developer Ecosystem With Zero Traditional Servers
Modern startups face a strucztural dilemma: infrastructure costs scale faster than revenue. Server provisioning, database maintenance, GPU clusters,…
Cloud Resume Challenge Week 2 — Building the Serverless Backend with Lambda, DynamoDB & API Gateway
Chunk 2 is complete — and this was by far the most challenging and rewarding part of the challenge so far. In this post I'm documenting exactly how…
Why Cloudflare bills spike: 8 D1 and Durable Objects cases from 2026
Originally published at guushu.com/notes . I keep the original updated, so this copy may lag. Eight public Cloudflare bill spikes turned up in 2026…
Deploying a containerized app to Google Cloud Run: what I learned
Deploying a containerized app to Google Cloud Run: what I learned Context A few months ago I built a private shared website for someone: a couples a…
Your Cloudflare Pages secret is set. Production cannot see it.
Your Cloudflare Pages secret is set. wrangler pages secret list shows it. Production cannot see it. I lost most of a day to this on a paid download…
AI Integration Cost: 2026 Enterprise Budgeting Guide
Determining the true AI integration cost is a major financial step for UK businesses looking to deploy Large Language Models (LLMs) in 2026. Integra…
The Database I Deleted: Migrating an Agentic RAG App to AWS Serverless #3
Part 3 of 3 — bugs, numbers, and what generalizes Part 1 covered why an agentic RAG assistant moved off a single EC2 box onto AWS serverless, and th…
I tried to check if our new blockchain tools were being used. The tool that would have told me was also silently broken — and so were two other things.
The tool I built to check if anyone used our API was itself silently broken — and so were two other things security #cloudflare #webdev #serverless…
Stop Hardcoding Your Database Credentials in Lambda — Use IAM Authentication with RDS Proxy Instead
Your Lambda function works. It connects to RDS, queries the database, returns results. Somewhere in your environment variables sits a username and a…
Build a Serverless Search Engine with DynamoDB Vector Search and AWS CDK
Some time ago at my work, we had to implement a small search engine for help articles. The search was very simple: it used lexical, prefix-based mat…
The Convention Is the Wiring
You already trust conventions to wire your Spring Boot application. What happens when the same idea reaches the infrastructure? Part 1: Convention O…
Cloudflare Zero Trust: Enterprise Access Security Guide
Migrating to Cloudflare Zero Trust is a critical modernisation step for enterprises looking to replace outdated corporate VPNs in 2026. Traditional…
Catching a Silent AWS Failure: A Serverless Daily Report for Suspended Auto Scaling Groups
Catching a Silent AWS Failure: A Serverless Daily Report for Suspended Auto Scaling Groups How I built a zero-cost, zero-server monitoring alert wit…
Set a Pause to Over-Engineering: Why AWS Lambda MicroVMs Will Serve Indie Developers in 2026
Introduction For a moment, let's be completely sincere with ourselves. If you read the latest enterprise tech blogs right now, you might think that…
Azure Functions Hosted Skills: I Built a Scam-Checking Agent, Then Removed the Agency
Is that webshop legit? Most of us have pasted a URL into a reputation checker at least once. The signals those sites use are not magic: domain age,…