YAML (/ ˈjæməl / ⓘ; see § History and name) is a human-readable data serialization language. It is commonly used for configuration files and in applications where data is being stored or transmitted.

This is a quick reference cheat sheet for understanding and writing YAML format configuration files.

In YAML, untagged nodes are given a type depending on the application. The examples in this specification generally use the seq, map and str types from the fail safe schema. A few examples also use the int, float and null types from the JSON schema.

In this tutorial, you will learn the fundamentals of YAML, a data serialization format designed to be easily readable by humans. Widely used in configuration files, data exchange, and many other areas, YAML is intuitive and seamlessly integrates with various programming languages, making it a versatile and essential tool.

Nov 11, 2022 · YAML is one of the most popular languages for writing configuration files. In this article, you will learn how YAML compares to XML and JSON - two languages also used for creating configuration files. You will also learn some of the rules and feature...

YAML is a computer data serialization language. A YAML document represents a computer program's native data structure in a human readable text form. A node in a YAML document can have three basic data types: A map of nodes to nodes. Also known as Hashes, Hash Maps, Dictionaries or Objects.

Jan 30, 2024 · Advanced Data Types. YAML also includes several advanced data types such as boolean, null, numbers (both floats and integers), and strings.

Join us as we explore the key elements of YAML, including data types, structures, and common use cases, and learn how to integrate YAML into your workflows for better configuration management. What we will cover: What is YAML? What is a YAML used for? What does A regular YAML file look like? Basic YAML syntax; Advanced YAML syntax; YAML vs JSON

Feb 9, 2021 · YAML is a data interchange language commonly used in configuration files. It is used with configuration management tools like Ansible and container orchestration tools, like Kubernetes. YAML 1.2 is a superset of JSON, and is extensible with custom data types.

In YAML there are three types data types: Sequences: Sequences are lists with each item starting with a hyphen (-). Lists can also be nested. Mappings: Mapping gives the ability to list keys with values. They are like dictionaries or hash maps. A YAML file is rarely used to describe a simple scalar. Most of the time, it describes a collection.