Helm from CNCF Build, Store, Share, Package, Install and Upgrade Kubernetes Applications in easy steps using HELM.
What you will learn
HELM package manager installation and configuration
HELM architecture and interaction with Kubernetes RBAC
Do atomic installations and forceful upgrades
Upgrade releases using HELM upgrade
Use functions, conditional statements, loops and more
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- Explore Helm’s fundamental role in abstracting complex Kubernetes deployments, transforming intricate application setups into manageable, reusable packages.
- Grasp the core “Chart” concept, dissecting its directory structure and understanding how manifest templates, values, and dependencies coalesce to define an application.
- Learn to author robust and maintainable Helm Charts, adhering to industry best practices for structure, reusability, and community standards, ensuring long-term manageability.
- Master externalizing configuration through
values.yaml, enabling dynamic, environment-specific deployments without modifying core chart templates, promoting flexibility and consistency. - Dive into advanced templating, including named templates, partials, and the effective use of helper functions, to build highly flexible and DRY (Don’t Repeat Yourself) charts for diverse scenarios.
- Implement chart dependencies to manage complex application stacks, orchestrating the deployment order and inter-component relationships effectively across your Kubernetes cluster.
- Utilize Helm’s built-in linting capabilities to ensure chart quality, identify potential issues early in the development cycle, and maintain consistency across your chart repositories.
- Gain proficiency in managing the full lifecycle of application releases on Kubernetes, encompassing initial installation, strategic upgrades, seamless rollbacks, and clean uninstallation.
- Understand Helm’s release object and the underlying mechanics of tracking changes, enabling precise version control and rapid recovery to stable states when unforeseen issues arise.
- Explore Helm Hooks to execute custom logic at critical points during a release’s lifecycle, such as database migrations pre-install or post-upgrade health checks for robust deployments.
- Strategize secure management of sensitive information within Helm charts, integrating effectively with Kubernetes Secrets or external secret management solutions to protect critical data.
- Learn to publish, share, and consume Helm Charts efficiently using Helm repositories, establishing streamlined workflows for team collaboration and application distribution.
- Integrate Helm into your Continuous Integration/Continuous Deployment (CI/CD) pipelines, automating the packaging, testing, and deployment of Kubernetes applications at scale.
- Develop robust debugging skills for common Helm chart issues and release failures, leveraging Helm’s introspection tools and logs for efficient and effective troubleshooting.
- PROS:
- Hands-on Practical Skills: Gain immediately applicable, real-world skills to streamline Kubernetes application management and deployment.
- Industry Best Practices: Learn not just how to use Helm, but how to use it effectively, securely, and efficiently, adopting patterns used by leading organizations.
- Comprehensive Coverage: Move beyond basic usage to master advanced features, transforming you into a proficient Helm chart developer and operator.
- Career Advancement: Enhance your value in the cloud-native ecosystem by becoming an expert in a critical CNCF project, highly sought after by employers.
- CONS:
- Prerequisite Knowledge Assumed: This masterclass assumes a foundational understanding of Kubernetes concepts and YAML, which might require prior learning for complete novices to fully grasp all nuances.
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