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Getting Started With Helm v3
In plain and simple language, Helm is the package manager for Kubernetes. If we assume Kubernetes as an OS then Helm is Yum or apt. In Kubernetes, to install, uninstall, upgrade, update all tasks are performed using YAML manifests. Managing these YAMLs are a bit of pain. To manage these constant repeatable deployments, Helm creates a single package out of it. You can share this package, version it and manage it more easily compare to YAML. Helm has successfully simplified the process.
Introduction to Helm
Helm was created to emphasize configuration re-usability. It can help to maintain a life-cycle for Kubernetes-based deployment. Helm is a CNCF project and developed in Go language.
In Kubernetes-based deployment, YAML manifests are everything. Kubernetes supports running many instances of multiple applications. Applications deployment needs complete lifecycle steps like deployment, upgrade, uninstall, rollback, etc. Maintaining these steps via YAML files is a tedious task. Helm sorted this via templates. You can create a template out of YAML and reuse it as per the requirement. The important feature is that you can pass values in this YAML file as variables. Let’s discuss Helm Components in detail.
