Introduction to YAML

YAML and JSON are the languages you can use for CloudFormation.

JSON is horrible for CF

YAML is a human-readable data-serialization language (Wikipedia)
It is perfect for DevOps to create input files to manage objects into different systems like Kubernetes and Ansible
It uses indentation to identify relations
When combined with Github, its an excellent way to manage and update configurations in a structured way
YAML is great in so many ways
Key value Pairs
Nested objects
Support Arrays (also called group and defined by -)
Multi line strings

Example -

invoice:
  date: 2001-01-23
  bill-to:
    given: Chris
    family: Duma
    address:
      street: 458 Walkman Dr.
      suite: Suite #292
      city: Royal Oak
      state: MI
      postal: 48046
  lines:
    - product:
        sku: BL394D
        description: Basketball
        quantity: 4
        price: 450.00
    - product:
        sku: BL4438H
        description: Super Hoop
        quantity: 1
        price: 2392.00

Introduction Database