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About YAML

What is YAML?

YAML (YAML Ain't Markup Language) is a human-readable data serialization language designed for data exchange between languages with different data structures.

It's often used for configuration files, data exchange, and representing complex data structures in a readable format.

Key Features

  • Human Readable - Easy to read and write for both humans and machines
  • Language Independent - Works across programming languages and platforms
  • Hierarchical - Supports complex nested data structures
  • Extensible - Can be extended with custom data types
  • Secure - Built with security considerations in mind

History

YAML was first proposed by Clark Evans in 2001, and was designed together with Ingy döt Net and Oren Ben-Kiki.

The name "YAML" is a recursive acronym for "YAML Ain't Markup Language", emphasizing that YAML is primarily a data serialization language rather than a markup language.

Why YAML Matters Today

Infrastructure as Code

YAML is the de facto standard for defining infrastructure configurations in tools like Kubernetes, Docker Compose, and Terraform.

DevOps and CI/CD

Modern CI/CD pipelines rely heavily on YAML for defining build steps, deployment configurations, and automation workflows.

Cloud-Native Applications

As organizations move to cloud-native architectures, YAML becomes increasingly critical for managing complex distributed systems.

Configuration Management

YAML provides a clean, readable way to manage application configurations across different environments and deployment stages.