HealthKit + Celery on ECS, Part 3: Deploying Workers to Fargate
Three ECS services from one Docker image, the env var crash that blocks every first Celery deploy, Redis configuration across environments, and health checks...
Posts by Category
architecture
HealthKit + Celery on ECS, Part 2: The Sync Pipeline
Building a 30-day backfill system with anchor-based incremental sync, chunked uploads, UUID deduplication, and the ‘device locked’ problem that breaks everyt...
HealthKit + Celery on ECS, Part 1: Why Background Processing Changes Everything
You can’t process Apple HealthKit data inline. Here’s why we needed Celery, why SQS was the wrong broker for us, and the architecture that emerged.
Celery on ECS: Separate Container Architecture
A visual deep-dive into running Celery workers as separate ECS containers — broker topology, task lifecycle, concurrency models, and the Beat scheduler gotcha.
career
Hello World — Why I’m Starting This Blog
After 14 years of building software, I’m finally writing about it.
ai
Building a Markdown-First Citation Pipeline for an AI Health Agent
How I replaced inline URL citations with a token-based reference system that separates machine semantics from user-visible text — and why the old approach wa...