Continuous database migration with Liquibase and Flyway
An application's version-controlled source code is stored in the repository. Why not that of the database? To reproduce arbitrary database states in development, test or production environments, two powerful Java libraries are at hand that can be seamlessly integrated into a build for an agile Continuous Delivery.
You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump