Kubernetes (k8s) is a popular container orchestration system that can be used to deploy and manage modern web applications. Here are the steps to use k8s for modern web applications:
- Containerize your application: The first step is to containerize your web application using Docker. This involves creating a Dockerfile that defines the application’s environment and dependencies.
- Create a Kubernetes cluster: You need to create a Kubernetes cluster that will host your application. There are various options for creating a Kubernetes cluster, including using a cloud provider like AWS, GCP or Azure, or using a local tool like Minikube.
- Define Kubernetes resources: The next step is to define Kubernetes resources that describe how your application should be deployed and run. These resources include Pods, Services, Deployments, ConfigMaps, and Secrets.
- Deploy your application: Once you have defined your Kubernetes resources, you can deploy your application to the cluster. This involves creating Kubernetes objects from your resources and applying them to the cluster using the kubectl command-line tool.
- Monitor and scale your application: Finally, you can monitor and scale your application using Kubernetes features like Horizontal Pod Autoscaling (HPA) and Kubernetes Dashboard.
Overall, using Kubernetes for modern web applications allows you to deploy, scale, and manage your applications more efficiently and effectively. It also provides features like automatic scaling and rolling updates, which can help improve your application’s availability and performance.