Helm

Helm is an open-source package manager for Kubernetes. It is used to install, upgrade, and administer apps on Kubernetes clusters.

Helm charts are the package format in which Helm defines an application. In this blog post, we will go over all you need to know about Helm charts.

Helm

A Helm chart consists of several components that are organized into a specific folder structure.

Helm Chart

• Chart.yaml file, which contains metadata about the chart such as its name, version, and description. This file is used to describe the chart and provide information about the application that it represents.

• values.yaml file, which contains configurable parameters that are used to customize the installation of the chart. This file is used to define the values that are used during the installation of the chart, such as the number of replicas, the image to use, and other configuration options.

• charts/ directory, which can be used to store any dependencies that the chart may have. For example, if your application requires a database, you can include the database as a dependency in the charts/ directory. This will ensure that the database is installed along with the application when the chart is deployed.

• templates/ directory, which contains Kubernetes manifests that define the resources to be deployed. This directory is used to define the Kubernetes resources that are required to run your application, such as deployments, services, and ingress rules. The templates in this directory are used to generate the Kubernetes manifests that are deployed to the cluster.

Benefits of Helm

1. Simplify the deployment of applications.

2. Enable easy distribution of applications.

3. Helm charts provide versioning, allowing developers to track changes to an application and rollback to previous versions if necessary.