cfn-python-lint
A linter that validates AWS CloudFormation templates against AWS resource schemas and best practices.
What is cfn-python-lint?
AWS CloudFormation Linter (cfn-lint) is a Python-based tool that validates AWS CloudFormation templates against AWS resource schemas and additional checks. It helps developers identify errors, enforce best practices, and ensure template correctness before deploying infrastructure. The tool supports JSON and YAML templates, including those using the Serverless Application Model (SAM).
Cloud engineers, DevOps professionals, and developers who use AWS CloudFormation for infrastructure as code and want to validate their templates for errors and compliance with AWS best practices.
Developers choose cfn-lint because it provides comprehensive validation directly against AWS CloudFormation schemas, supports custom rules for organizational policies, and integrates easily into CI/CD pipelines with multiple output formats, reducing deployment failures.
Overview
CloudFormation Linter
Use Cases
Best For
- Validating CloudFormation templates for schema compliance before deployment
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