Cold Starts Are Dead
It never fails. Every time I talk about serverless, someone pushes back with the cold start argument. I still see it in forums, in blog comments, in a…
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Day 67: Escaping the Sandbox. Wiring a Live Banking API to AWS Lambda
Today was the day my financial SaaS stopped being a toy. For Day 67, I replaced my simulated Plaid data with a live connection to the Wise API. The Ch…
Turning email and cron into webhooks
I had two small problems that kept coming back in side projects: I wanted an email address that would call my webhook I wanted a cron job that would c…
Remote Kiro: A Serverless Control Plane for Kiro
I liked the autonomous agent experience in Kiro, but I kept wishing for one extra thing. I wanted the agent to run on my own machine, use my own tools…
Day 66: Why Point-in-Time Recovery is the first button you should click in DynamoDB
Today on Day 66 of my Serverless Financial Agent build, things went south. While connecting a real banking API (Wise) to replace my sandbox data, my D…
Why Docker Breaks Inside MicroVMs (Part 1): The Linux Assumptions You Didn’t Know You Were Relying On
We tried running Docker inside a microVM. It failed before the first container even started. The error wasn’t helpful: cgroup mountpoint does not exis…
Designing a Serverless Order System on AWS (Beyond CRUD)
Most applications start as simple CRUD systems - create, read, update, delete. But the moment you try to model something that reflects real-world oper…
Building an (Actually) Serverless Private Terraform Registry on AWS
TL;DR I wrote a TF module to deploy a fully serverless Terraform registry on AWS for under $0.50/month. The registry also implements token-based authe…
Building a Practical Lambda Capacity Provider Platform: Lessons Learned from Warm Pools, Version Hygiene, and CI/CD Reality
Building a Practical Lambda Capacity Provider Platform: Lessons Learned from Warm Pools, Version Hygiene, and CI/CD Reality There is a big difference …
Serverless applications on AWS with Lambda using Java 25, API Gateway and DynamoDB - Part 6 Using GraalVM Native Image
Introduction In part 1 , we introduced our sample application. In parts 2-5, we measured Lambda function performance using different approaches: witho…
The Hidden Cost of AWS Lambda SnapStart for Python, and How I Fixed It with Durable Functions
Recently, I opened our AWS bill and found that thousands of dollars had been charged toward AWS Lambda. I was sure we did not have that much traffic. …
Serverless CDC and Event Ingestion Patterns into Analytics Pipelines on AWS
When I work on analytics pipelines for event-driven systems, one of the biggest mistakes I see is treating ingestion as “just connect source A to sink…
Cloudflare Workers HTML to Markdown on the Free Plan
This is a condensed version. Full article on cogley.jp has the complete code walkthrough, known limits of the starter emitter, and the full reasoning …
Part 2: Hands-on tc Framework: Building a Full-Stack Async API with Pages
Introduction: The Practical Graph This post will show a practical, hands-on example that implements a serverless topology using the tc (Topology Compo…
Intro to tc Cloud Functors: A Graph-First Mental Model for the Modern Cloud
This is the first part of a multipart series introducing tc Cloud Functors The Monolith in the Desert Problem Sometimes I feel like the Forrest Gump o…
Building an AI-Powered Risk Intelligence System Using Serverless Architecture
Introduction Organizations today require faster, more reliable ways to assess risk across entities such as companies, vendors, and partners. Tradition…
AWS App Runner Is Dead — Here's What You Should Use Instead (2026)
If you're running apps on AWS App Runner — or were thinking about using it — you need to read this. AWS has announced that App Runner will no longer a…
Drumbeats vs Healthchecks.io: An Honest Comparison (2026)
Healthchecks.io is one of the most respected tools in the cron monitoring space, and for good reason. It is open source, self-hostable, has been runni…
Deployments made easy: Cloud Run 101
The distance between "it works on my machine" and "it's live for the world" can often feel like a marathon of configuration files, server provisioning…