mhutter/yamllint repository overview

docker run --rm -v "$(pwd):/yaml" quay.io/mhutter/yamllint yamllint .

stages:
  - lint
  # ...

yaml_syntax:
  stage: lint
  image: quay.io/mhutter/yamllint
  script:
    # remove single-line ERB code upfront to make templates lintable
    - find . -type f -name '*.y*ml.erb' -exec sed -i '/^<%.*%>$/d' {} \;
    - yamllint $(find . -type f -name '*.y*ml.erb')
    - yamllint $(find . -type f -name '*.y*ml')
#...