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Can a Deployment have more than one ReplicaSet?

Can a Deployment have more than one ReplicaSet?

If you use Deployments to manage your Kubernetes workloads, and most people do, then they will leave behind one ReplicaSet for each change you make. Here’s how to set a revision history limit, in the yaml definition of a Deployment: kind: Deployment spec: replicas: 3 revisionHistoryLimit: 5 template: spec: …

What do you need to know about ingress in Kubernetes?

An Ingress does not expose arbitrary ports or protocols. Exposing services other than HTTP and HTTPS to the internet typically uses a service of type Service.Type=NodePort or Service.Type=LoadBalancer. Prerequisites. You must have an Ingress controller to satisfy an Ingress. Only creating an Ingress resource has no effect.

Where does kubectl get the IP address for ingress?

kubectl get ingress test-ingress NAME CLASS HOSTS ADDRESS PORTS AGE test-ingress external-lb * 203.0.113.123 80 59s Where 203.0.113.123 is the IP allocated by the Ingress controller to satisfy this Ingress. Note: Ingress controllers and load balancers may take a minute or two to allocate an IP address.

How to start ingress controller binary in kubectl?

The Ingress controller binary can be started with the –kubeconfig flag. The value of the flag is a path to a file specifying how to connect to the API server. Using the –kubeconfig does not requires the flag –apiserver-host . The format of the file is identical to ~/.kube/config which is used by kubectl to connect to the API server.

Where is the port 80 in Kubernetes cluster?

In a Kubernetes cluster I’m building, I was quite puzzled when setting up Ingress for one of my applications—in this case, Jenkins. I had created a Deployment for Jenkins (in the jenkins namespace), and an associated Service, which exposed port 80 on a ClusterIP.

How to start the ingress controller in Kubernetes?

Kubeconfig file: In some Kubernetes environments service accounts are not available. In this case a manual configuration is required. The Ingress controller binary can be started with the –kubeconfig flag. The value of the flag is a path to a file specifying how to connect to the API server.

Can a Spring Boot project work on Kubernetes?

We have a Java Spring Boot project with Swagger and docker. We deploy it on kubernetes behind an ingress controller. It works properly in localhost (using postman and swagger-ui try button). Problem comes when we deploy it.

The Ingress controller binary can be started with the –kubeconfig flag. The value of the flag is a path to a file specifying how to connect to the API server. Using the –kubeconfig does not requires the flag –apiserver-host . The format of the file is identical to ~/.kube/config which is used by kubectl to connect to the API server.

What’s the IP of the minikube ingress resource?

yes that is right. With minikube ip you’ll get the minikube’s vm ip, 192.168.99.100 typically that is and because you did not specify a host nor a path in your ingress, the ingress resource takes the wildcard (*) and will forward any request to the IP of the minikube vm to your demo service.