Jun 28, 2025
YAML (short for "YAML Ain't Markup Language") is a human-readable data serialization standard that has become a go-to format for configuration files and data exchange. Designed to be simple and easy to read, YAML has emerged as a foundational technology in modern software development. From Docker and Kubernetes to Ansible and GitHub Actions, YAML is everywhere. In this article, we’ll break down what YAML is, how it works, and why it's become so essential. We’ll also look at real-world code examples from tools that rely heavily on YAML.
