Embrace Automated Testing. ...
Adopt Code Review Practices. ...
Adopt Pair Programming/Mob Programming When It Makes Sense. ...
Create a Culture of Constant Refactoring. ...
Track and Improve the Right Metrics. ...
Understand and Treat the Root Cause (at the Organizational Level)
https://www.e4developer.com/2018/02/11/common-technical-debt-in-microservices/