# testing

Learn how to use Helm hooks for database migrations and pre-deploy tasks, and chart tests to validate releases in Kubernetes.

Build production-grade GitHub Actions CI/CD pipelines — from first workflow to reusable workflows, matrix builds, and deployment gates.

How to write unit and integration tests for Terraform modules using Terratest — because untested infrastructure is a liability.

Master GitHub Actions matrix builds to test across multiple OS versions, language versions, and configurations in parallel.