Node.js Circuit Breakers with opossum + TypeScript (2026)
June 30, 2026
Build a production Node.js circuit breaker in TypeScript with opossum: closed, open, half-open states, fallbacks, errorFilter, timeouts, and verified output.
#resilience
LLM Fallback Routing: Survive an AI Model Recall (2026)
June 17, 2026
When the US government pulled Claude Fable 5 offline, single-provider apps broke. Build a multi-provider LLM fallback chain that survives a model recall.
Fail-Open vs Fail-Closed Middleware: Hono + Redis (2026)
May 28, 2026
Build resilient Hono middleware that fails open or fails closed when Redis is down: auth, feature flags, rate limits, plus a typed TypeScript circuit breaker.
AWS Outages 2023 and 2025: When the Internet Backbone Faltered
October 25, 2025
AWS outages in 2023 and 2025, decoded: what actually failed, how the blast radius spread, and the multi-region patterns teams are building in response.