Prompt Engineering
& LLM Guides
Practical guides on writing better prompts, cutting token costs and building with LLM APIs, for ChatGPT, Claude and Gemini users.
AI Prompt to Fix a Flaky CI Test
A practical AI prompt for diagnosing a flaky CI test fast, so you find the real race condition causing it instead of adding another retry or timeout.
GitHub Actions SSH Deploy: Permission Denied
GitHub Actions SSH deploy failing with Permission denied (publickey)? Here is the real cause -- a corrupted key -- and the fix that actually works.
Docker Multi-Stage Builds for Node.js Apps
Learn how Docker multi-stage builds for Node.js shrink images from 1 GB to under 150 MB, with a production Dockerfile and CI caching tips you can copy.
How to Automate Code Review in Your Node.js CI/CD Pipeline With AI
A practical guide to adding AI-powered code review to a Node.js CI/CD pipeline — what it catches, what it misses, and real GitHub Actions setup.
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