Recent Blog Posts
Insights on AI Agents, Modern Web, and the Future of Engineering.
Biometric Authentication in Flutter: A Complete Guide to local_auth
Add fingerprint, Face ID, and passcode authentication to your Flutter app with the local_auth package — setup, capabilities, exception handling, and production best practices.
BuildKit Cache Mounts: Fast Package Installs in Docker Builds
RUN --mount=type=cache gives Docker builds a persistent, shared cache across builds — pip, npm, apt, Go modules, and Cargo all get dramatically faster with it.
Cost-Aware Model Routing: Fallback Chains That Trade Quality for Price
Design model routing strategies that balance quality, latency, and cost — weighted routing, fallback chains, and budget guards for production LLM applications.
CustomPainter for Canvas Drawing in Flutter: A Practical Guide
Learn how to draw custom graphics in Flutter with CustomPaint, CustomPainter, and the Canvas API — from your first circle to performant, animated visualizations.
Dart Isolate Patterns: From Isolate.run to Robust Long-Lived Workers
A deep dive into Dart's concurrency model — when to use isolates, the simple Isolate.run pattern, and a production-ready long-lived worker with ports, message IDs, and clean shutdown.
Deep Delegation Chains: Hierarchies That Stay Reliable
How to build multi-level agent hierarchies that don't collapse under their own complexity — context isolation, bounded delegation depth, and the deep-agents approach to long-horizon work.
Docker CI Build Caching: GHA Cache vs Registry Cache
Speed up Docker builds in CI with BuildKit caching. Compare --cache-to/--cache-from type=gha and type=registry, and pick the right strategy for GitHub Actions.
Under the Hood: How the Docker CLI Talks to the Docker Engine REST API
Every docker command is an HTTP request. Learn how the Docker CLI communicates with the dockerd REST API over the Unix socket, and how to call the API directly with curl.
Healthchecks and depends_on: Making Docker Compose Startup Order Reliable
docker compose up racing your app? Use healthchecks and depends_on conditions like service_healthy to guarantee your services start in the right order — and stay that way.
How Docker's Embedded DNS Resolves Container Names
Docker containers resolve each other by name via an embedded DNS server at 127.0.0.11. Learn how it works, why it beats /etc/hosts hacks, and how to debug name resolution.
Docker Named Volumes: The Complete Guide
Named volumes are Docker's managed storage for persistent data. Learn how to create, inspect, mount, back up, and clean up named volumes — and when to choose them over bind mounts.
EventChannel for Streaming Data in Flutter: A Platform Channels Deep Dive
How to stream continuous data from native Android and iOS code into Flutter with EventChannel — sensor readings, location updates, and native events as Dart Streams.