Flip the Axis: A Layer-Based Approach to Multi-Service Migrations

TL;DR When you're migrating many services through the same steps, parallelize by step, not by service. Sweep one type of change across all services, then the next – it compounds learning, catches inconsistencies early, and makes automation viable. But recognize which services don't fit the pattern: architecturally unique services should still be migrated serially. The Problem You've probably seen the shape of this problem before. You're planning next quarter's migration – could be Kubernetes, a