It’s 9:30 on a Monday morning at an NHS trust. Your team has just merged a pull request updating firewall rules for the new Databricks workspace. Ten minutes later, the pipeline fails — not because Azure Firewall itself is broken, but because someone accidentally typed 10.0.0.0/35 instead of /24 in the CSV file. Now the…

Manual firewall updates often happen at 2 a.m. during an outage. Pipelines mean those changes are rehearsed, automated, and safe.This is the second post in a three-part series on Azure Firewall rules as code. Last time, I showed how turning firewall rules into code gave me a modular, reusable foundation that fit perfectly with the…