AWS Lambda and NestJS: Communication between services
Originally published on Medium on November 11, 2023. In this guide, we’ll speak about communication in a distributed system using AWS Lambda and NestJ…
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I build a lot of automated workflows. Across the suite of apps that powers Ready, Set, Cloud, I have a dozen or so mature, long-running automations th…
Exploring WebAssembly Beyond the Browser: A Cloud Architect's First Look at WASI
For years, my day job has centered on enterprise cloud backends built around containers, which are isolated digital environments that package an appli…
I built a serverless URL shortener for $4.68/year (total)
I wanted two things: short links under my own brand (every link I share points traffic back to my site ), and a real excuse to run a complete system o…
Serverless: When It Helps and When It Hurts
Introduction Serverless computing has become a buzzword in cloud architecture. But like any tool, it has sweet spots and sharp edges. After building a…
Stone.js: your app exists in every runtime, until you run it
The rewrite tax Count the versions of your last real-world app. There is the Express or Nest version for the server. The handler you extracted and man…
Serverless Without Limits: How a Static Web App Can Fully Operate with Databases
There is a persistent misconception that pure client-side applications (Single Page Applications, SPAs) operating without their own dedicated backend …
Mackerel's Log Feature Just Opened in Beta — Here's What It Takes to Wire It Into an OTLP Pipeline
TL;DR Mackerel — Hatena's Japan-origin observability platform — opened its log feature as public beta on July 16, 2026 . In response, this repository …
Everyone Knows Trump's Tweets Move Markets. I Measured It: the Connection Is Real — the Direction Isn't.
#NebiusServerlessChallenge Live dashboard: Myth-Busting Quantitative Terminal · Live endpoint: /predict on Nebius Serverless · Code: github.com/KoralZ…
Skip the Middleman: Connecting Your UI Directly to an AI Agent via WebSocket
I've been building AI agents for a while now, and streaming responses to a UI has always been the painful part. In previous projects I tried API Gatew…
The Everything-on-Your-Branch Architecture
Database branching is one of the best ideas serverless Postgres brought to the mainstream. Fork the database at a point in time, get an isolated copy …
"Why I Build Serverless, Client-Side Utilities: The Architecture of QuickQR and ARTRES"
In a development culture obsessed with heavy frameworks and complex backend infrastructure, there is massive, untapped power in pure client-side execu…
GitOps for Geospatial Data: Building a Self-Healing, Zero-Cost Data Pipeline with GitHub Actions
Most data engineering and geospatial projects follow a predictable infrastructure blueprint: an ingestion cron job, an enterprise database (like PostG…
How I Shipped 91+ Privacy-First Utilities with $0 Server Cost: The Architecture of OmniUtil.pro
Every time you want to format a piece of JSON, debug a JWT token, compress a PDF, or erase a photo's background, you make a compromise. You upload you…
Integrating Lambda Durable Functions into a Step Functions Workflow
At re:Invent 2025, AWS announced Lambda Durable Functions . The feature introduces a checkpoint/replay mechanism that allows Lambda executions to run …
fluent-ffmpeg vs FFmpeg Micro: Why Node.js Developers Switch to a Cloud API
Originally published at ffmpeg-micro.com fluent-ffmpeg is the go-to FFmpeg wrapper for Node.js developers. It works perfectly on your laptop. Then you…
Azure Logic Apps vs Function Apps: Choosing the Right Tool for the Integration
Two Azure services can look nearly identical on paper. Both connect systems. Both can call an external API, transform data along the way, and handle e…
How I Built an Ultra-Fast Bilingual Dictionary Handling 293,000+ Words on the Edge
Every developer has that one project. The passion build that sits in the back of your mind for months—or even years—before you finally sit down, crack…
Let Aurora Sleep: Multi-Tenant SaaS Cost, Reconsidered with AI IaC
For most multi-tenant SaaS, the default still rhymes: PostgreSQL on Aurora, behind an API, in a private subnet. Stable, well-understood, the shape you…
Serverless image pipeline with aws lambda+node+wasm: from 11.5mb to 91.2kb
A while back I needed to process thousands of images for an e-commerce platform: multiple versions per product, carousel, thumbnail, invoice miniature…
Building BrewCore: Espresso Tracking on Vercel, DynamoDB, and Amazon Bedrock
Beyond the Timer: How I Built BrewCore for the H0 Hackathon Home espresso is a paradox. Baristas obsess over the micro-details the gram weight, the se…
I stopped checking my Modal dashboard because my agent does it for me
I used to spend way too much time context-switching between Cursor, my terminal, and the Modal web dashboard. You know the drill: a GPU job is running…
I Built a Serverless Stranger-Matching Tool with Zero Database — Here is the Architecture
The elevator pitch You open fata.uk , write a few lines about what is on your mind, and AI finds a stranger whose emotional frequency matches yours. T…
How We Built an AI SaaS on the Edge for Nearly $0 in Infrastructure Costs
1. Introduction A few months ago, we started building Propoza , a tool that generates business proposals with AI for Brazilian freelancers and small b…
D1 read replicas returned stale data for 6 seconds — here's what I measured and how I designed around it
At p99, a D1 read replica in Tokyo was 6.1 seconds behind a write that landed on the Eastern NA primary. I found this out not from the docs, but from …
Why I replaced DynamoDB with Aurora PostgreSQL Serverless v2 for an ad-ops monitoring workload
On February 14, 2026, Meta started enforcing health-data restrictions that broke pixel-based lower-funnel conversion tracking for DTC telehealth adver…
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…
Why Your Vector Database Is Overpriced: Lucene's 32x Compression and Serverless Economics
Why Your Vector Database Is Overpriced: Lucene's 32x Compression and Serverless Economics In 2026, the boundary between "search engine" and "AI infras…
I Tested 9 Serverless GPU Providers for AI Inference in 2026. Here's What I'd Actually Use
TL;DR If you're shipping AI inference and tired of babysitting GPUs, serverless is the way out. You deploy the model, the platform scales it from zero…
Building LogSentry: A Serverless AWS Pipeline That Detects Secrets Leaked into Application Logs in Real-Time
A serverless AWS pipeline that auto-monitors every CloudWatch log group, scans for leaked credentials in real-time, sends rate-limited alerts, and shi…