Ref: https://learn.cantrill.io/courses/2022818/lectures/45642049

• Summary
• Contents:

YAML Characteristics

• 💡 YAML = “YAML ain't Markup Language” (recursive acronym)
• 🔧 Human-readable & lightweight data-serialization format
  • 💡 Very popular for system configuration (e.g. Docker Compose files use YAML)
  • At a high level, YAML is just an unordered collection of key-value (K-V) pairs
• You can build complex data structures that are very human-readable
  • YAML syntax: key:value
  • Support for strings, numbers, booleans, nulls
  • Arrays, lists, dictionaries…
• ‼️ Indentation really matters!!
• YAML Overview: key-value pairs
• YAML Lists
• YAML Dictionaries
• Example: CloudFormation Template in YAML