Tech Articles
Curated developer articles, tutorials, and guides – auto-updated hourly
Marin T. Kael1d ago • 3 min read
Four green Mondays that wrote nothing: a uuid above the first step
The symptom For four Mondays in a row my data pipeline finished with complete, stages_ok:...
#cloudflare#serverless#debugging#javascript
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Franchesco Romero1d ago • 7 min read
Cómo mantener siempre disponibles las sesiones de tu agente de código remoto (parte 2)
La Parte 1 construyó una caja siempre encendida para una sesión de remote-control de Claude Code y.....
#agents#aws#devops#serverless
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Peter Li2d ago • 3 min read
Your WebSocket ping is answered by the edge, not your Durable Object
We run SSH traffic through a Cloudflare Durable Object. Each user's machine holds one outbound...
#cloudflare#websocket#serverless#debugging
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Marcelo Acosta Cavalero1d ago • 23 min read
DynamoDB Now Does Vector Search
Originally published on Build With AWS. Subscribe for weekly AWS builds. On August 5, 2026, AW...
#aws#dynamodb#vectorsearch#serverless
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Manfredo Martínez 1d ago • 9 min read
Building a server monitoring SaaS on Cloudflare Workers — architecture, decisions, mistakes
TL;DR Pulse is a server monitoring SaaS I built as a solo founder for Latin American small...
#serverless#saas#monitoring#cloudflare
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AlpeshKumbhare5d ago • 6 min read
Event-Driven Architecture on AWS: SQS vs SNS vs EventBridge vs Kinesis — Patterns, Anti-Patterns, and When to Use What
A practical guide to event-driven architecture on AWS — covering EventBridge, SQS, SNS, Kinesis, and...
#aws#serverless#architecture#eventdriven
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szymon-szym2d ago • 5 min read
CloudFront Functions - dynamic switching between origins
You can switch between different applications sharing the same URL in CloudFront. The use....
#aws#cdn#serverless
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Jon Handler9h ago • 4 min read
What If Your Search Infrastructure Only Existed When Someone Searched?
Create a collection. Send data. Query. That is the entire setup for Amazon OpenSearch Serverless. No...
#opensearch#serverless#cloudcost#airetrieval
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Mecanik13371d ago • 8 min read
Host a Static Web App on Cloudflare Pages: A 2026 Guide
Cloudflare Pages hosting lets frontend teams ship code that is fast, secure, and free of server...
#serverless#webdev#productivity#performance
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Saurav Pandey3d ago • 3 min read
Demystifying 'Cold Starts' in Serverless: Why Your App Sometimes Shivers
Have you ever clicked a button on a website, only to wait several agonizing seconds for the page to....
#coldstarts#serverless#cloud#devops
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Avijit Bera6d ago • 13 min read
What Is an Edge API Gateway? A Complete Guide for Developers
What Is an Edge API Gateway? A Complete Guide for Developers Modern applications are...
#apigateway#api#serverless#backend
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Alejandro Hernández6d ago • 4 min read
Agents Don't Start with Prompts. They Start with Events.
Lately, it seems like everything is an agent. Open LinkedIn and you'll find posts about AI Agents. G...
#ai#eventdriven#serverless
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Eugene Orlovsky14h ago • 2 min read
MCP Server on Bedrock AgentCore: What "Stateless Writes" Actually Forces You Into
We just shipped an MCP server on Amazon Bedrock AgentCore Runtime that handles AWS Marketplace selle...
#aws#mcp#bedrock#serverless
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Sherdil Cloud4d ago • 4 min read
Serverless DevOps: When It Wins, When It Doesn't, and How to Run It
TL;DR: Serverless DevOps = running code on services that manage the servers for you, wired into...
#serverless#devops#aws#architecture
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Memo5d ago • 10 min read
Serverless Bill Shock: Tracking Edge Function and Database Expirations (Vercel, Supabase, Netlify, Neon)
Article image Serverless Bill Shock: Tracking Edge Function and Database Expirations (Vercel,...
#architecture#cloud#database#serverless
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zanesterling75894d ago • 7 min read
Delivery Exception Detection — Node.js Metrics API Queries Feeding Lambda Webhooks
Short answer: for a small Node.js notification service, poll one delivery-failure metric from a...
#observability#node#serverless
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ntoledo3192d ago • 3 min read
"DeprecationWarning: datetime.datetime.utcnow() is deprecated" — fixing the Python 3.12 warning in AWS Lambda
Bumped your Lambda to python3.12 and now CloudWatch Logs is full of utcnow() DeprecationWarnings? He...
#python#aws#lambda#serverless
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kongkong5d ago • 3 min read
Measure a Free Model Route With a Golden Set, Not a Leaderboard
The first number I track when evaluating a free model route is not the public benchmark delta. It is...
#ai#backend#api#serverless
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PDFops6d ago • 4 min read
Automating PDF fills, merges, and invoices in n8n without a Function node
A verified n8n community node (n8n-nodes-pdfops) does what most PDF workflows fake with a Code node ...
#pdf#webdev#serverless#api
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babycat5d ago • 5 min read
Abort-Forwarding Proxy for a Free Model Endpoint: Stop Losing Tokens After the User Leaves
A streaming model UI usually pauses when the user hits Cancel, but the cancel button only stops the....
#ai#javascript#serverless#webdev
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Pedro Beethoven6h ago • 9 min read
COPY lambda will always read the data, right? Not really
When I started to write a lambda that issues a Redshift COPY I thought that by default the lambda...
#aws#serverless#dataengineering#architecture
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Krishnam Murarka6d ago • 2 min read
Queue Depth Doesn't Tell You Whether You Have a Problem
Most autoscaling rules for worker queues are wired to depth. When the backlog grows, add consumers.....
#architecture#devops#serverless#backend
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Avery Li5d ago • 2 min read
Build a Disposable Model-Eval Loop Without a Paid API Key
A free model endpoint plus a free server is enough for a disposable eval loop. It is not enough for....
#ai#testing#serverless#devops
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yobox5d ago • 5 min read
How to Set Up a Webhook Receiver Without Running a Server
Webhooks need somewhere to land. Traditionally that meant standing up a web server, opening a port,....
#webhooks#serverless#api#backend
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