IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
904 articles
18 Feb 2026 · 25 min read
architecture
Part 2 of 7 — Rich domain models for Kids Learn with C# 14. Entities with invariants, value objects, domain events, aggregate roots, and architecture tests to enforce the rules.
Read more18 Feb 2026 · 17 min read
aws
Part 2 of 10 — Define your entire AWS infrastructure in TypeScript with CDK v2. VPC design, multi-stack architecture, reusable constructs, and deploying to staging vs production with a single command.
Read more18 Feb 2026 · 7 min read
aws
Part 9 of 10 — Build comprehensive observability: custom CloudWatch metrics and dashboards, X-Ray distributed tracing across Lambda and Fargate, structured logging with Lambda Powertools, alerting strategies, cost dashboards, and anomaly detection.
Read more18 Feb 2026 · 7 min read
aws
Part 10 of 10 — Take Kids Learn production-ready: multi-region Active-Passive with Aurora Global Database, Route 53 health-checked failover, auto-scaling strategies, load testing with Artillery, chaos engineering, runbooks, and a comprehensive launch checklist.
Read more18 Feb 2026 · 26 min read
edtech
Part 1 of 10 — Your web platform is thriving, parents want a mobile app, and your team is ready to build. But kids apps play by different rules.
Read more18 Feb 2026 · 7 min read
aws
Part 8 of 10 — Implement production security for a children's platform: least-privilege IAM policies, Cognito user pools with COPPA-compliant parental consent flows, WAF rule groups, KMS encryption, Secrets Manager auto-rotation, and GuardDuty threat detection.
Read more18 Feb 2026 · 12 min read
ai
Part 1 of 5 — Installing Claude Code, writing an effective CLAUDE.md, the /init command, memory architecture, .claude/ directory structure, and turning a generic AI into a project-aware pair programmer.
Read more18 Feb 2026 · 7 min read
ci-cd
Building a CI/CD pipeline with GitHub Actions that enforces test coverage, performance budgets, visual regression, and AI response quality checks on every PR. Part 3 of the AI-powered quality engineering series.
Read more18 Feb 2026 · 21 min read
aws
Part 1 of 10 — Why we chose AWS to build the Kids Learn platform from the ground up. AWS Well-Architected Framework, account setup, cost planning, and the complete service map for a production SaaS.
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