Tag: #strangler-fig
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3 posts
Mainframe & Legacy Systems in 2026 — IBM z17 (Sept 2025) / IBM i / COBOL / RPG / JCL / CICS / watsonx Code Assistant for Z Deep Dive
The giant that was supposed to die is still alive. In 2026, the transaction backbone of every major bank, insurer, government, and manufacturer still runs on IBM Z and IBM i. The z17 launched in September 2025 with the T
2026-05-16 · 28 min read #mainframe#ibm-z#ibm-z17#ibm-z16#ibm-iWorking with Legacy Code — How to Change Old, Scary, Untested Code Without Fear
Legacy code is code without tests, and code you are afraid to touch. And everyone inherits it eventually. The dilemma where changing safely needs tests but adding tests needs changes, characterization tests that pin curr
2026-05-14 · 29 min read #legacy-code#refactoring#characterization-tests#strangler-fig#technical-debtComplete Guide to the Strangler Fig Pattern: Zero-downtime Migration from Monolith to Microservices
Strategy for safely migrating from monolith to microservices using the Strangler Fig pattern. Covers Anti-Corruption Layer design, traffic routing, Feature Flag integration, data synchronization, rollback strategies, and
2026-03-08 · 29 min read #architecture#strangler-fig#microservices#migration#monolith