OpenTelemetry Trace ID and Span ID with a Custom Span Processor in NestJS

Ever tried tracing a request through 5 microservices? Without a trace ID flowing through every service, it’s like finding a needle in a haystack. Except …

Ship It — Deploying to Cloudflare Workers (Part 6/6)

We made it. Five parts of building, encrypting, testing, and polishing. Now let’s put this thing on the internet. Deploying a full-stack application — SPA …

Testing, CI, and Code Quality — Breaking Things Before Users Do (Part 5/6)

Building features is the fun part. Making sure they actually work — and keep working — is the responsible part. In this post, we’ll set up the testing …

Dependabot with Internal Registries and Multiple Reviewers

Managing Dependencies with Private Registries Dependabot is a powerful tool for keeping your dependencies up to date, but configuring it to work with internal …

The Cloudflare Worker — A Thin Proxy That Sees Nothing (Part 4/6)

In Parts 2 and 3, I kept saying “the server just shuffles encrypted bytes.” Time to prove it. Let’s build the Cloudflare Worker — the thinnest …

E2E Encryption and SSE Real-Time — Trust No Server (Part 3/6)

This is the part of the project I’m most proud of. When I set out to build a planning poker app, I had one non-negotiable: no server — including mine — …

PHP-FPM Logging with Pipes and Monolog Formatting

The Problem with PHP-FPM Logging When working with PHP-FPM, you might encounter an unexpected behavior: all logs end up in stderr, even when you explicitly …

State, Votes, and Facilitator Powers — The Room Experience (Part 2/6)

In Part 1 we set up the project, defined the domain types, and picked our tech stack. Now comes the fun part — building the room experience. Creating a room, …

Building MCP Plugin Solutions with NestJS

We’ve built MCP servers and plugins. Now let’s do it the NestJS way. If you’ve used NestJS, you know it brings some serious structure to …

Building a Real-Time Planning Poker App — From Zero to Estimating (Part 1/6)

Sprint planning. You know the ritual — the team gathers, someone shares a Jira ticket, everyone silently guesses how long it’ll take, and then you all …