Master Microservices with Spring Boot and Spring Cloud - Step 23 – Understanding Centralized Configuration in Kubernetes

The video tutorial explains how to use Config Maps in Kubernetes for centralized configuration. It covers creating a Config Map for a currency conversion service, integrating it into a deployment YAML, and verifying the deployment. The tutorial highlights Kubernetes features like service discovery, load balancing, and centralized configuration, emphasizing the benefits for microservices.

What is the purpose of using a Config Map in Kubernetes?

• To create user accounts

• To handle network traffic

• To manage centralized configuration

• To store application logs

Which command is used to create a Config Map in Kubernetes?

• kubectl init configmap

• kubectl start configmap

• kubectl apply configmap

• kubectl create configmap

How can you view the YAML configuration of a Config Map?

• kubectl list configmap

• kubectl get configmap -o yaml

• kubectl describe configmap

• kubectl view configmap

What should be done before adding a Config Map to the deployment YAML?

• Take a backup of the deployment YAML

• Create a new namespace

• Delete the existing deployment

• Restart the Kubernetes cluster

How do you reference a Config Map in a deployment YAML?

• By using the 'serviceAccount' field

• By using the 'configMapRef' field

• By using the 'volumeMounts' field

• By using the 'envFrom' field

What command is used to apply the deployment with the new Config Map?

• kubectl deploy -f

• kubectl run -f

• kubectl apply -f

• kubectl start -f

Which Kubernetes feature provides centralized configuration for multiple environments?

• Pod Autoscaling

• Config Maps

• Load Balancing

• Service Discovery