Practical articles about software, technology, and engineering.

OpenStair engineering writing on Flutter, backend systems, documentation, product architecture, open source, and production software delivery.

All articles

Illustration of an AI feature evaluation workflow with model, quality, and monitoring layers
AI

Building AI Features Into Existing Applications

November 20, 2025 · 11 min read

A production guide to integrating AI into web applications: gateway architecture, structured outputs, streaming SSE, client aborts, and guardrails.

AISoftware EngineeringApplicationsMachine Learning
Illustration of a software delivery pipeline from commit through tests and deployment
DevOps

Zero-Downtime Deployment: What It Really Requires

November 19, 2025 · 16 min read

A deep dive into zero-downtime deployments: endpoint de-registration races, graceful shutdown, rolling vs blue-green vs canary topologies, and expand-contract database migrations.

DevOpsCI/CDCloudSoftware Engineering
Illustration of logs, metrics, traces, and alerts feeding an observability dashboard
DevOps

Application Logging: What Should You Actually Log?

November 16, 2025 · 18 min read

A production guide to application logging: structured JSON schemas, W3C trace correlation, log level discipline, PII masking, and out-of-process log shipping.

DevOpsCI/CDCloudSoftware Engineering