YAML Cheat Sheet

# This is a comment

string: "Hello, World"integer: 123float: 3.14boolean: true

base: &default adapter: postgres host: localhostdevelopment: <<: *default database: dev_db

name: &name Exampleperson: name: *name

key: | This is a multiline string.

key: > This is a folded string.

---key: value---another_key: another_value

set: ? item1 ? item2 ? item3

ordered_map: key1: value1 key2: value2

mapping_to_sequences: key1: - item1 - item2 key2: - item3 - item4

sequence_of_mappings: - key1: value1 key2: value2 - key3: value3 key4: value4

mapping: key1: value1 key2: value2

mapping_of_mappings: parent1: child1: value1 child2: value2 parent2: child3: value3 child4: value4