YAML (YAML Ain't Markup Language) is a human-readable data serialization format, often used for configuration files and data exchange. It simplifies data storage, handling, and communication, and is highly favored in DevOps for its readability and ease of use.
- Key-value pairs
- Lists and sequences
- Maps and dictionaries
- Supports multiple documents
- Readable block-style indentation
- Comments for annotations
- Reusing properties with anchors
- Scalars: Basic data values like strings, numbers, booleans
- Sequence: Ordered lists of items
- Mapping: Key-value pairs (also called maps)
- Set: Unordered collections of unique values
- Dictionary: A type of map with key-value associations
- Nested Sequences: Lists inside lists
- Sparse Sequence: Lists with missing values
- Configuration files
- Data exchange and storage
- Infrastructure as code (e.g., Kubernetes, Docker)
- DevOps automation
- Reusable templates for app configurations
- Single-line format for compact data
- Multi-line format for improved readability
- Datree: YAML validation and best practices enforcement
- Monokle: YAML file management for Kubernetes configurations
- Lens: Kubernetes IDE leveraging YAML for cluster management
- Easily convertible to/from JSON and XML formats
- Commonly used in DevOps for managing complex infrastructure setups
- Human-readable and easy to write
- Flexible and easy to maintain
- Versatile for a variety of data storage needs
- Ideal for large-scale automation and infrastructure configuration