The Shared Persistence Layer: Trading Autonomy for Standardization in Microservices

The Real Cost of Unlimited Autonomy At some point in every growing microservices organization, someone realizes that fifteen different teams have written fifteen slightly different versions of the same ORM configuration, the same transaction wrapper, the same connection error handler. Nobody planned for this. It just happened. This is not an edge case — it is a predictable consequence of taking the database-per-service pattern to its logical conclusion without governance guardrails.