How does this skill support air-gapped environments?

It enforces a standardized global registry override pattern using .Values.global.image.registry, allowing you to easily point all subcharts to an internal mirror.

How are Helm charts validated using this skill?

The skill integrates the chart-testing (ct) tool workflow, covering automated linting, installation checks, and upgrade testing.

Does it include guidance for multi-environment management?

Yes, it provides specific best practices for Helmfile, including environment-specific value layering and declarative state management.

What security practices are included?

It mandates the use of fixed image tags instead of floating tags like 'latest' and provides patterns for secure RBAC and ServiceAccount separation.

Helm Best Practices

Name: Helm Best Practices
Author: cosmonic-labs

bycosmonic-labs

•

Deployment & DevOps

Guides the creation and maintenance of production-ready Helm charts following industry-standard conventions and Kubernetes deployment patterns.

This skill provides a comprehensive framework for developing high-quality Helm charts, focusing on standardized templating, global image registry overrides, and robust Kubernetes patterns. It integrates best practices for multi-chart management using Helmfile and automated validation with the chart-testing (ct) tool. By enforcing consistent RBAC configurations, labeling strategies, and registry overrides, it ensures your infrastructure-as-code remains maintainable and portable across diverse environments, including air-gapped systems.

Key Features

0112 GitHub stars

02Automated linting and installation testing guidance with chart-testing (ct)

03Global image registry override support for air-gapped environments

04Declarative multi-chart management patterns using Helmfile

05Standardized templating patterns for consistent microservice deployment

06Best practices for RBAC, ServiceAccounts, and standard Kubernetes labeling

Use Cases

01Authoring new Helm charts for complex cloud-native applications

02Setting up CI/CD pipelines for automated Helm chart validation and multi-environment sync

03Optimizing existing charts for private registry mirroring and security compliance

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add cosmonic-labs/skills helm-best-practices

For use in Claude.ai and ChatGPT

Download Skill