What is multi tier application in Kubernetes?

A multi-tier application is an application distributed among more than one layer. We will deploy these two applications using deployments in Kubernetes and have services to forward requests to them.

Is Kubernetes a container platform?

Kubernetes is a portable, extensible, open-source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation. It has a large, rapidly growing ecosystem. Kubernetes services, support, and tools are widely available.

What containers go with Kubernetes?

Kubernetes supports several container runtimes: Docker, containerd, CRI-O, and any implementation of the Kubernetes CRI (Container Runtime Interface).

How do you deploy a multi tier application in Kubernetes?

Deploy a Redis Database

1. Deploy a new namespace for your application.
2. Deploy a Redis server into the new namespace.
3. Review the objects that you’ve deployed with Kubernetes (deployments, pods)
4. Get logs from the deployed resources via kubectl.

How do you deploy a sample application in Kubernetes?

Objectives

1. Package a sample web application into a Docker image.
2. Upload the Docker image to Artifact Registry.
3. Create a GKE cluster.
4. Deploy the sample app to the cluster.
5. Manage autoscaling for the deployment.
6. Expose the sample app to the internet.
7. Deploy a new version of the sample app.

How does Kubernetes work with containers?

Kubernetes keeps track of your container applications that are deployed into the cloud. It restarts orphaned containers, shuts down containers when they’re not being used, and automatically provisions resources like memory, storage, and CPU when necessary.

What are containers and Kubernetes?

Containers are the foundation of modern applications. Docker provides the toolset to easily create container images of your applications, and Kubernetes gives you the platform to run it all.

What is the difference between Docker and Kubernetes?

Docker provides the toolset to easily create container images of your applications, and Kubernetes gives you the platform to run it all. Now that you know the basic pieces of the puzzle and have a better idea of what containers, Docker, and Kubernetes are all about, you can learn more at Kubernetes Learning Path.

What are the prerequisites for using Kubernetes?

Prerequisites ● Kubernetes cluster you have access to (we’ll use DigitalOcean Kubernetes throughout this talk) ● On your machine: ○ Kubectl configured to access your cluster ○ Git ○ Docker

What role does Kubernetes play in SQL Server Cluster management?

In this configuration, Kubernetes plays the role of the cluster orchestrator. When a SQL Server instance in a container fails, the orchestrator bootstraps another instance of the container that attaches to the same persistent storage. In the preceding diagram, mssql-server is a container in a pod.