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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Python + AWS Lambda: Build Serverless Apps for Free
Python + AWS Lambda: Build Serverless Apps for Free tags: python, aws, serverless, tutorial tags: python, aws, serverless, tutorial Building Serverles…
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…
Getting Started with Sinch Functions
I've built a lot of voice integrations. Every single one needed a deployment whose only job was to talk to the Sinch API: receive the callback, transl…
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 …
Cloudflare Workers AI: Add a Free LLM to a Static Site, No Backend Needed
Quick answer: A static site behind Cloudflare can get AI without a backend and without storing an API key. Workers AI binds a model like Llama 3.3 70B…
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…
"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…
The Background Task That Froze: A Serverless CPU-Throttling Mystery
💡 Lesson learned building an agent on Cloud Run: don't schedule work to run after you send the response. On Cloud Run's default request-based CPU mode…
Обошёл блокировки в интернет магазине, но чуть не сломал корзину. Пишем автономный мониторинг на Playwright и n8n
Наш магазин работает на InSales. Как и у большинства российских магазинов на этой платформе, часть системных JS и CSS файлов раздавалась через static.…
My "Deploy to Cloudflare" button disabled auth
I recently open-sourced Minvoice , a small invoicing app that runs entirely on Cloudflare Workers. Like every well-behaved open-source Workers project…
Why I Chose Neon (dev.to Database Partner) for My AI Routing Platform
When Neon became the official database partner of DEV Community, I was already a user. But the partnership made me look closer at why I chose Neon — a…
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…
A/B Testing at Warp Speed: How Cloudflare Workers Revolutionize HTML Experiments
Let's be honest—traditional A/B testing is broken. If you've ever implemented client-side testing, you know the drill. Your users load the page, wait …
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…
BurnAfterRead – E2E encrypted self-destructing drops on Cloudflare Workers
I built a zero-knowledge secret sharing tool. Text and files are encrypted in the browser with AES-GCM 256 before upload - the server only ever sees c…
My Durable Objects alarm loop burned CPU for 3 days before I noticed — here's what the docs miss
A 30-line Slack notifier was eating 60% of my CPU-time budget across 4 client Workers. The culprit: a runaway alarm loop I assumed was impossible. Her…
KV locks for Workers cron jobs will silently fail — here's what I use instead
A ghost lock blocked every cron trigger for 6 hours after a Korean ad-network API took 45 seconds to respond — 15 seconds past the Workers wall clock …
Remotion + FFmpeg Micro: Programmatic Video Without the Lambda Bill
Originally published at ffmpeg-micro.com Remotion lets you build videos the same way you build React components. But moving those compositions from yo…
В интернете нет нормальной альтернативы Google AI Studio. Пришлось написать свою
Многие смотрят на это спустя рукава, но Google создавал AIStudio не для того, чтобы вы ежедневного пользовались им в качестве осно…
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…
Sending SMS from AWS Lambda with the Sinch SDK
Your payment just failed. The user needs to know before they try to check out again. Your deployment pipeline just finished. The engineer who kicked i…
I got tired of waiting for deploys, so I built a local Lambda runner
There's a specific kind of frustration that comes from iterating on Lambda code. You change one line. You run cdk deploy . You watch the CloudFormatio…
I Built pretext-pdf: Serverless PDFs Without Chromium
I Built pretext-pdf: Serverless PDFs Without Chromium I got frustrated with PDF generation in Node.js. Every tool had trade-offs, and none of them fel…
Why I Built MentionFox Instead of Just Using Mention.com
Most founders who build a competitor to an existing tool do it because they couldn't afford the original. That wasn't my situation. I was paying for M…
Building a Cloud SIEM from Scratch with AWS Lambda and EventBridge
How I built a real-time serverless security detection pipeline on AWS using CloudTrail, EventBridge, Lambda, DynamoDB, and SNS — and what broke along …
Cold Starts in Serverless
The Great Serverless Pause: Battling the "Cold Start" Beast Ever ordered a pizza and it took ages to arrive, leaving you ravenous and staring at an em…