Persistent Volume

• Refer Here for official documentation.
• Pod places a persistent volume claim.
• Persistent Volume can be dynamically or manually provisioned. For this they use storage classes.
  
• Created the pod with PVC in Azure Refer Here for the changes
  
• Create the Pod with PVC in AWS Refer Here
  
  

Manual EKS Cluster Setup

• Pre-reqs
  • AWS CLI Refer Here
  • IAM User: Refer Here
  • kubectl Refer Here
  • EKSCTL
• To set up eks cluster we would be using terraform as suggested over here Refer Here
• Install terraform Refer Here
• Creating EKS cluster from terraform

git clone https://github.com/hashicorp/learn-terraform-provision-eks-cluster
cd learn-terraform-provision-eks-cluster
terraform init
terraform apply -auto-approve
aws eks --region $(terraform output -raw region) update-kubeconfig \
    --name $(terraform output -raw cluster_name)

• Check if the cluster is connected or not
  

Stateful Sets

• Overview
  
• Refer Here for the official documentation

Config Maps

• Refer Here for official docs
• Refer Here
• we have created the config map and injected as ENV variables and also as mounts Refer Here
  
  

Secrets

• Secrets are also similar to config maps but holding sensitive information, k8s tries to do base 64 encoding and base 64 decoding.
• Refer Here for the changes
  

Exercise:
* Try to configure aws eks cluster to pull the image from ecr
* Try to configure azure aks cluster to pull the images from acr
* Try to configure any k8s to pull images from your docker hub private registry