Tag: #strangler-fig

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• Mainframe & Legacy Systems in 2026 — IBM z17 (Sept 2025) / IBM i / COBOL / RPG / JCL / CICS / watsonx Code Assistant for Z Deep Dive ♪ Listenable

  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-i

• Working with Legacy Code — How to Change Old, Scary, Untested Code Without Fear ♪ Listenable

  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-debt

• Complete Guide to the Strangler Fig Pattern: Zero-downtime Migration from Monolith to Microservices ♪ Listenable

  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