cfn-lint

https://github.com/aws-cloudformation/cfn-lint

• Installation: pip3 install cfn-lint
• Help: cfn-lint --help

Examples:

• cfn-lint file_with_your_stack.yml
• cfn-lint -t
• cfn-lint --version

cfn-lint your_file.yml
E0000 Null value at line 1 column 8
your_file.yml:1:8

Configuration files

• .cfnlintrc

Related

• terraform fmt
• Taskcat
• cfn-init
• E1012 Ref Your_Ref not found as a resource or parameter

See also

• cfn-lint, cfn-lint --help
• Lint, pylint, eslint, tflint, cfn-lint, autopep8, lint-staged, autopep8 --help, GitLab CI lint, Code climate, Black, hadolint, KubeLinter, hlint, ansible-lint