Chapter 28 · Part 5

Policy as Code and Infrastructure Guardrails

A focused chapter on policy as code and infrastructure guardrails, with practical delivery concerns, trade-offs, and the operational questions behind CI/CD work.

28-1

Why Infrastructure Needs Its Own Policies

You have a solid CI/CD pipeline. Your application builds, tests, and deploys smoothly. The team feels confident shipping changes multiple times a day

5 min
28-2

Five Infrastructure Policies That Keep Your Cloud From Burning Money and Security

A developer needs SSH access to a production server for a quick debugging session. They open port 22 to 0.0.0.0/0 so they can connect from their home IP

6 min
28-3

Why Your Infrastructure Rules Should Be Written as Code

Your team has a policy: no security group should ever open SSH port 22 to the entire internet. Everyone agrees. It's in the documentation. Someone even

5 min
28-4

Where to Run Infrastructure Policies: Plan, Apply, and Post-Deploy

You have written your infrastructure policies as code. They check for security violations, cost overruns, and naming conventions. Now comes the practical

5 min
28-5

When Infrastructure Policy Gets in the Way: Handling Exceptions Without Breaking Security

You've spent weeks crafting infrastructure policies. Every resource must follow naming conventions, use approved instance types, and never expose certain

4 min
28-6

When Infrastructure Changes Outside Your Pipeline: Drift Detection for Policy Compliance

You have written policies. You have automated checks in your CI/CD pipeline. Every deployment runs through validation before anything reaches production

5 min