Articles
50 posts on Playwright, Docker, Kubernetes, and more
Observability for LLM Applications: Tracing, Costs, and Drift Detection
Feb 20, 2026 · 5 min read
Instrument your LLM applications with LangSmith or LangFuse tracing, track token costs, detect prompt drift, and alert on quality degradation.
Property-Based Testing in Python with Hypothesis
Feb 10, 2026 · 5 min read
Use Hypothesis to generate thousands of test cases automatically — find edge cases your example-based tests would never cover.
Semantic Testing with Vector Embeddings
Feb 5, 2026 · 5 min read
Use text embeddings to detect semantic regressions, deduplicate test cases, and build assertions that check meaning rather than exact string matches.
Prompt Engineering for Test Automation: Patterns and Anti-Patterns
Jan 30, 2026 · 5 min read
Design prompts that reliably generate high-quality test cases — few-shot examples, chain-of-thought, structured output, and versioning strategies.
Using the Claude API for Intelligent Test Automation
Jan 25, 2026 · 6 min read
Leverage the Anthropic Python SDK, tool use, vision API, and streaming to build AI-powered test automation workflows.
Kubernetes Ingress Controllers: nginx, Traefik, and the Gateway API
Jan 20, 2026 · 5 min read
Route external traffic into your cluster with nginx Ingress, Traefik, and the new Kubernetes Gateway API — including TLS termination and rate limiting.
Python Type Hints in Practice: mypy, Protocols, and TypeVar
Jan 15, 2026 · 6 min read
Use Python's type system effectively with generics, Protocols for structural typing, ParamSpec, and mypy configuration that catches real bugs.
Mobile Testing with Playwright: Emulation, Real Devices, and Remote Browsers
Jan 10, 2026 · 5 min read
Test mobile viewports, touch events, and device-specific behaviors with Playwright's device emulation — then scale to real devices via BrowserStack.
Distroless and Minimal Docker Images: Reducing Attack Surface
Jan 5, 2026 · 5 min read
Use Google's distroless images and scratch base to ship the smallest possible containers — fewer packages means fewer vulnerabilities and faster pulls.
Testing FastAPI Applications: Unit, Integration, and E2E
Dec 20, 2025 · 5 min read
Build a comprehensive test strategy for FastAPI with dependency injection overrides, database fixtures, factory_boy, and Docker-based integration tests.