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KubeLinter

A static analysis tool that checks Kubernetes YAML files and Helm charts for production readiness and security.

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Overview

KubeLinter is an open-source static analysis tool, originally developed by StackRox (now part of Red Hat), that checks Kubernetes YAML files and Helm charts for deviations from best practices. It comes with a set of default checks for security, maintainability, and performance, and can be configured with custom policies. KubeLinter is designed to be run in CI/CD pipelines to catch problems before they are deployed to a cluster.

✨ Key Features

  • Static analysis of Kubernetes YAML and Helm charts
  • Default checks for security, performance, and best practices
  • Support for custom checks
  • Fast and easy to integrate into CI/CD
  • Can be run as a CLI tool or Go library

🎯 Key Differentiators

  • Fast and lightweight
  • Easy to configure and extend with custom checks
  • Developed by security experts at StackRox/Red Hat

Unique Value: Provides a fast and simple way to check Kubernetes configurations for best practices and common pitfalls, directly in the CI/CD pipeline.

🎯 Use Cases (4)

Linting Kubernetes manifests for best practices Enforcing organizational standards for Kubernetes configurations Catching common misconfigurations in CI Improving the security and reliability of Kubernetes deployments

✅ Best For

  • Checking for missing resource limits in a CI pipeline
  • Ensuring pods are not running as root
  • Validating labels and annotations on Kubernetes objects

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Runtime security monitoring
  • Vulnerability scanning
  • Policy enforcement via admission control

🏆 Alternatives

Datree Checkov Kube-score

Simpler and faster than more comprehensive tools like Checkov, making it a good choice for teams that need a focused linting solution.

💻 Platforms

CLI Go library

✅ Offline Mode Available

🔌 Integrations

GitHub Actions Jenkins CircleCI GitLab CI

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: Open source and free to use.

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