Kubernetes-HELM

Running the command: bash helm create newone will generate a new Helm chart scaffold named newone in your current directory. Helm is a package manager for Kubernetes, and a "chart" is a package of pre-configured Kubernetes resources. Here's what happens when you run that command: It creates a directory called newone/ , and inside you'll find a full chart structure like: pgsql newone/ ├── .helmignore # Patterns to ignore when packaging ├── Chart.yaml # Chart metadata ├── values .yaml # Default configuration values ├── charts/ # Subcharts go here ├── templates/ # Kubernetes manifests go here │ ├── deployment.yaml │ ├── _helpers.tpl │ ├── hpa.yaml │ ├── ingress.yaml │ ├── service.yaml │ ├── serviceaccount.yaml │ └── tests/ │ └── test- connection .yaml  What you can do with it: Customize the templates/ files to define your Kubernetes resources. Adjust values.yaml to set default val...

  *** All credits to the maker of this youtube video creator Rahul Wagh https://jhooq.com/helmfile-manage-helmchart/ =========================================== helm install <release_name> <chat_name> helm delete <release_name> helm upgrade <release_name>  <chart_name> How to Install Helm Chart ?   Helm Installation Links : https://helm.sh/docs/intro/install/ https://github.com/helm/helm/releases or Else use the below to get the helm installation done. Helm Chart Structure : The first command you will generally use helm create <chartname> helm create demochart  // this will create a file structure as below   Without helm charts and and with helm charts First check if your kubernetes cluster is running or not $ kubectl get all we are creating our first helm chart helm create springboot helm template springboot    // this command display the values of the placeholder this display all the yaml files and their values tha...

 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  https://www.youtube.com/watch?v=kAJ6Wh1jg34 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

  my-chart/ │ ├── charts/ │   ├── dependency-chart1/ │   └── dependency-chart2/ │ ├── templates/ │   ├── deployment.yaml │   ├── service.yaml │   ├── configmap.yaml │   └── ... │ ├── values.yaml ├── Chart.yaml ├── requirements.yaml ├── values.schema.json ├── README.md └── ...

  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++    +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++   To use a Helm chart from a remote repository, you can follow these steps: Add the Repository : First, you need to add the remote repository to Helm. You only need to do this step once for each repository you want to use.  helm repo add <repo-name> <repo-url> Replace  <repo-name>  with a name you choose for the repository, and  <repo-url>  with the URL of the repository. For example: helm repo add stable https://charts.helm.sh/stable Search for Charts : After adding the repository, you can search for available Helm charts within that repository: Search for Charts : After adding the repository, you can search for available Helm charts within that repository: helm search repo <repo-name> Replace  <repo-name>  with the name you used when adding ...

     ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Link :  Getting Started with Helm Chart | Jhooq Helm is a package manager for Kubernetes that simplifies the deployment and management of applications. It uses charts, which are collections of pre-configured Kubernetes resources, to define, package, and install applications on a Kubernetes cluster. Here's a list of commonly used Helm commands: Initialize Helm : helm init  or  helm repo add stable https://charts.helm.sh/stable : Initializes Helm on your cluster and adds the official Helm stable repository (deprecated since Helm v3). Managing Repositories : helm repo add <name> <url> : Adds a new repository. helm repo list : Lists the available repositories. helm repo update : Updates the local cache of available charts from the configured repositories. Search and Inspect Charts...

    +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  https://www.youtube.com/watch?v=-ykwb1d0DXU https://www.youtube.com/watch?v=pHGc87zHLlo&list=PL7iMyoQPMtANm_35XWjkNzDCcsw9vy01b Helm Installation  https://jhooq.com/building-first-helm-chart-with-spring-boot/ Helm chart : Github repo https://github.com/helm/helm  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Main Concepts of Helm Chart . Helm changes a lot between version to version What is Helm? What are Helm Charts ? What to use them ? When to use them What is Tiller ? used for -- Package Manager for kubernetes. something like yum , apt -- It is a convinient way for packaging collections of kubernetes  yaml files distributing them in public and private registry  Lets break them down with specific exams . Lets say you have deployed your application on kubernetes cluster and you want to deploy the Elastic Search additionally in your k...