Kubernetes Namespaces: Easy Resource Management

Introduction

Kubernetes namespaces act like virtual clusters, allowing you to compartmentalize your cluster for efficient resource management. Think of them as folders on your computer, simplifying the organization and grouping of applications or resources.

What are namespaces?

Namespaces in Kubernetes are virtual clusters that allow you to divide a Kubernetes cluster into multiple smaller clusters.

Namespaces in Kubernetes are like folders on your computer. They help organize and group applications or resources, making it easier to manage them.

Namespaces provide a mechanism for isolating groups of resources within a single cluster. Names of resources need to be unique within a namespace, but not across namespaces.

Task 1: Creating a Namespace for Your Deployment:

Create a Namespace: Use the following command to create a Namespace with your desired name:
```
 kubectl create namespace <namespace-name>
```
Update the Deployment YAML File: Open your deployment.yml file that are created in the previous blog and add the Namespace information. You can add it under the metadata section like this:
```
 apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: todo-deployment
   namespace: <namespace-name>  # Add your Namespace name here
 spec:
   ...
```
before changes...

after changes...
Apply the Updated Deployment: Apply the modified deployment.yml file using the following command, specifying the Namespace you created:
```
 kubectl apply -f deployment.yml -n <namespace-name>
```
Verify the Namespace: To confirm that the Namespace has been created and the Deployment is running in it, you can check the status of Namespaces using:
```
 kubectl get namespaces
```
This will list all the Namespaces in your cluster, including the one you just created. You should see your Namespace name in the list.

Task 2: Read about Services, Load Balancing, and Networking in Kubernetes.

Read Here

Conclusion

Understanding Kubernetes namespaces allows you to neatly organize your cluster, much like folders on a computer. This simplifies resource management, making your Kubernetes journey smoother. Explore this efficient tool and stay tuned for more! 🚀

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