Lint YAML

YAML Syntax — Ansible Community Documentationdocs.ansible.com

How do I validate my YAML file from command line?Stack Overflow

pip3 install pyyaml 

python3 -c 'import yaml, sys; print(yaml.safe_load(sys.stdin))' < data.yaml

GitHub - adrienverge/yamllint: A linter for YAML files.GitHub

pip3 install --user yamllint 

yamllint my_file.yml