How to Setup Kubernetes on IBM Cloud?

Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. It provides a way to manage and deploy containerized applications at scale, making it an essential tool for modern application development. IBM Cloud offers a managed Kubernetes service that allows users to deploy and manage containerized applications with ease.

In this article, we will go through the step-by-step process of setting up Kubernetes on IBM Cloud.

Prerequisites:

Before we begin, make sure you have the following prerequisites:

• An IBM Cloud account
• The IBM Cloud CLI installed on your local machine
• A basic understanding of Kubernetes and containerization

Step 1: Create a Kubernetes Cluster

The first step in setting up Kubernetes on IBM Cloud is to create a Kubernetes cluster. Follow the steps below:

1. Open the IBM Cloud console and navigate to the Kubernetes service page.
2. Click on "Create a Cluster" to open the cluster creation page.
3. Select the desired plan for your cluster (Standard, Restricted, or Lite).
4. Choose a location for your cluster (geographical region and availability zone).
5. Set the cluster name and add any tags (optional).
6. Choose the Kubernetes version and worker pool configuration.
7. Configure any additional settings as needed.
8. Click "Create Cluster" to create the Kubernetes cluster.

Step 2: Install the Kubernetes CLI

Once the Kubernetes cluster is created, you need to install the Kubernetes CLI (kubectl) on your local machine. Follow the steps below:

1. Open the IBM Cloud console and navigate to the Kubernetes service page.
2. Click on your cluster to open the cluster details page.
3. Click on the "Access" tab.
4. Click on "Download Config" to download the Kubernetes configuration file.
5. Copy the downloaded file to your local machine and save it in the default kubectl configuration directory (usually ~/.kube/config).
6. Install the Kubernetes CLI on your local machine using the appropriate installation method for your operating system.

Step 3: Verify Kubernetes Configuration

After installing the Kubernetes CLI, verify that your local machine is configured to communicate with your Kubernetes cluster. Follow the steps below:

1. Open a terminal or command prompt on your local machine.
2. Run the following command to verify your connection to the cluster:
   kubectl config current-context
3. Run the following command to verify that you can communicate with the cluster:
   kubectl cluster-info

Step 4: Deploy Applications to Kubernetes

Now that you have set up Kubernetes on IBM Cloud and verified the configuration, you can deploy applications to the cluster. Follow the steps below:

1. Create a Kubernetes deployment YAML file for your application.
2. Run the following command to deploy your application to the Kubernetes cluster:
   kubectl apply -f <deployment-yaml-file>
3. Run the following command to check the status of your deployment:
   kubectl get deployments
4. Run the following command to check the status of the pods running your application:
   kubectl get pods

In this article, we went through the step-by-step process of setting up Kubernetes on IBM Cloud. We covered creating a Kubernetes cluster, installing the Kubernetes CLI, verifying the configuration, and deploying applications to the cluster. With this knowledge, you should be able to get started with Kubernetes on IBM Cloud and begin deploying and managing containerized applications at scale.

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That's it for this post. Keep practicing and have fun. Leave your comments if any.