Unlock Kubernetes with KinD: Single & Multi-Node Explained

Welcome to Unstuck@40s, your go-to channel for breaking through the tech barrier with realtime usecases!! Today, we're diving into the world of Kubernetes with KinD (Kubernetes in Docker), a tool that simplifies the process of setting up Kubernetes clusters.

In this comprehensive tutorial, we explore the essentials of KinD, providing you with the knowledge to quickly deploy both single-node and multi-node Kubernetes clusters. Whether you're experimenting with configurations or scaling your setups, we've got you covered.

Topics Covered in This Video:

📘 Introduction to KinD: Discover what KinD is and its significance in Kubernetes environment setup.
🚀 Setting Up a Single-Node Cluster: Learn how to effortlessly create a single-node Kubernetes cluster using KinD.
🌐 Building Multi-Node Clusters: Step-by-step instructions on configuring a robust multi-node cluster with KinD, employing a detailed configuration file for precise setups.
🔍 Insights on KinD: Unveil a mix of both well-known and lesser-known facts about KinD, enhancing your understanding and utilization of this powerful tool.
Resources:

GitHub Repository: https://github.com/nishantabanik/YT-Video-Series/tree/main/Kubernetes/kind

Install Docker: Ensure you have Docker installed as a prerequisite.
https://docs.docker.com/desktop/install/mac-install/
https://docs.docker.com/desktop/install/windows-install/
https://docs.docker.com/desktop/install/linux-install/

Install KinD: Follow this guide to install KinD and kickstart your Kubernetes journey.
https://kind.sigs.k8s.io/docs/user/quick-start/#installation

##########################################################################################

COMMANDS:

####################################################
# How to run local multi-node Kubernetes clusters using kind
####################################################

# Setup #

# Install kind (https://kind.sigs.k8s.io/docs/user/quick-start/#installation)

https://github.com/kubernetes-sigs/kind

brew install kind ----- for mac users

choco install kind ----- for windows users

# Install Docker Desktop if macOS or Windows, or Docker if Linux

# Disable Kubernetes in Docker Desktop
##############################
# Creating single-node clusters
##############################

export KUBECONFIG=$PWD/kubeconfig.yaml ----- We're specifying that the kubeconfig file named kubeconfig.yaml located in the current working directory should be used by Kubernetes tools for accessing the cluster.

kind create cluster --name first-cluster

docker container ls

kubectl get nodes
# Loading images #

kind load --help
# Creating additional clusters #

kind create cluster --name second-cluster

docker container ls

####################
# Deleting clusters
####################

kind delete cluster --name first-cluster

kind delete cluster --name second-cluster
#############################
# Creating Multi-Node clusters
#############################

cat config.yaml or multi-node-cluster.yaml

kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
- role: worker
- role: worker
kind create cluster --config multi-node-cluster.yaml

kubectl get nodes

docker container ls
########################################
# Creating nginx deployment and accessing it
########################################

kubectl create deployment nginx --image=nginx ----- "This creates a deployment named 'nginx' using the Nginx image from Docker Hub."

kubectl expose deployment nginx --port=80 --type=NodePort ----- Exposing nginx through a NodePort

kubectl port-forward service/nginx 8080:80 ----- forwards port 8080 on your local machine to port 80 on the Nginx service.

# Open and access Nginx at http://localhost:8080.

# Wait for a while and reload the browser

##################
# Deleting clusters
##################

kind delete cluster --name kind

##########################################################################################

Engage with Us:
Your support fuels our passion for teaching and technology. If you found this video helpful, please like, comment, and subscribe for more content tailored to mastering Kubernetes and multi-cloud platforms with real-life use cases.

Closing:
Thank you for watching our KinD tutorial. We're excited to help you navigate through Kubernetes and unleash the potential of multi-cloud platforms. Stay tuned for more practical insights and tutorials!

Видео Unlock Kubernetes with KinD: Single & Multi-Node Explained канала Unstuck@40s