Kubernetes for the Absolute Beginners - Hands-On - Demo - Deploying Microservices Application on Kubernetes with Deploym

The video tutorial explains the process of deploying applications using Kubernetes deployments. It highlights the limitations of deploying pods directly and introduces deployments as a solution for scaling and updating applications without downtime. The tutorial guides viewers through creating deployment files using Visual Studio Code, configuring them for various components like Redis and Postgres, and deploying them using kubectl. It also demonstrates how to verify the deployments and scale them, showcasing the ease of managing applications with Kubernetes deployments.

What is a major challenge when deploying applications using only pods?

• Pods automatically scale applications.

• Pods do not help in scaling applications easily.

• Pods maintain a record of revisions.

• Pods allow for easy updates without downtime.

Why are deployments preferred over replica sets?

• Deployments automatically create replica sets as needed.

• Deployments do not maintain revision history.

• Deployments cannot perform rollbacks.

• Deployments do not support rolling updates.

What is the first step in creating a deployment file for the voting app?

• Start with the API version and kind.

• Add the service definition.

• Specify the number of replicas.

• Add the metadata labels.

Which tool is used to create and edit deployment files in the tutorial?

• Notepad++

• Sublime Text

• Atom

• Visual Studio Code

What is the purpose of the 'selector' section in a deployment file?

• To specify the number of replicas.

• To define the API version.

• To add metadata to the deployment.

• To match labels from the pod definition.

What is the final step after creating all deployment files?

• Delete all deployment files.

• Create deployments and services using the terminal.

• Edit the pod definition files.

• Run the application in a web browser.

How can you verify that a deployment is running successfully?

• Ensure the application is not accessible.

• Verify that no pods are running.

• Look for error messages in the log files.

• Check the deployment status in the terminal.

What command is used to scale a deployment?

• kubectl scale

• kubectl create

• kubectl update

• kubectl delete

What happens when you refresh the page after scaling the deployment?

• The page is served by the same pod each time.

• The page is served by a new pod each time.

• The page fails to load.

• The page shows an error message.

Which ports are used to access the front-end services in the tutorial?

• 3002 and 3003

• 3000 and 3001

• 3006 and 3007

• 3004 and 3005