My yamllint config

.yamllint.yaml

# yamllint config: https://github.com/adrienverge/yamllint
---

yaml-files:
  - '*.yaml'
  - '*.yml'
  - '.yamllint'

rules:
  braces: enable
  brackets: enable
  colons: enable
  commas: enable
  comments:
    level: warning
    require-starting-space: true
    ignore-shebangs: true
    min-spaces-from-content: 1
  comments-indentation:
    level: warning
  document-end: disable
  document-start: disable
  empty-lines: enable
  empty-values: disable
  hyphens: enable
  indentation: enable
  key-duplicates: enable
  key-ordering: disable
  line-length:
    max: 120
    allow-non-breakable-words: true
    allow-non-breakable-inline-mappings: true
  new-line-at-end-of-file: enable
  new-lines: disable
  octal-values: disable
  quoted-strings:
    quote-type: double
    required: only-when-needed
  trailing-spaces: enable
  truthy:
    level: warning