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Editor to share with you what YAML is in Kubernetes, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Kubernetes supports YAML and JSON formats to create resource objects JSON format for message delivery between interfaces YAML format for configuration and management YAML is a concise non-markup language syntax format indentation identification hierarchy does not support tabs (tab) indentation using space indentation usually begins with two space characters followed by a space, such as a colon, comma, etc. "-" indicates the YAML format, and the beginning of a file "#" indicates a comment

View application name

Kubectl api-versions

Demo demo

Mkdir demo# edits the nginx-deployment.yaml file vim / demo/nginx-deployment.yamlapiVersion: apps/v1kind: Deploymentmetadata: name: my-nginx labels: app: nginxspec: replicas: 2 selector: matchLabels: app: nginx template: metadata: labels: app: nginxspec: containers:-name: nginx image: nginx:1.15.4 ports:-containerPort: 8 create nginx -deployment.yaml file kubectl create-f nginx-deployment.yaml# view pod node kubectl get pods# edit nginx-service.yaml file vim nginx-service.yamlapiVersion: v1kind: Servicemetadata: name: my-nginx-service labels: app: nginxspec: type: NodePort ports:-port: 80 targetPort: 80 selector: app: nginx# create nginx-service.yaml file kubectl create-f nginx-service.yaml# View Service kubectl get svc

-automatically tests the correctness of the command and does not perform the creation

Kubectl run nginx-deployment-image=nginx-port=80-replicas=2-dry-run

View the generated yaml format

Kubectl run nginx-deployment-image=nginx-port=80-replicas=2-dry-run-o yaml

-View the generated json format

Kubectl run nginx-deployment-image=nginx-port=80-replicas=3-dry-run-o json

Export an existing asset generation template

Kubectl get deploy/nginx-- export-o yaml

Save to a file

Kubectl get deploy/nginx-- export-o yaml > my-deploy.yaml

View field help information

Kubectl explain pods.spec.containers above is all the content of this article "what is YAML in Kubernetes?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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