Microservice Architecture

Question 1

How do you specify the port on which an application listens in a pod?

Answer 1

In the pod-definition yaml or template with:

spec:
  containers:
	  - name:
	    image:
	ports:
	  - containerPort: 80

Question 2

How many labels must be the same, so that a service connects a group of pods?

Answer 2

• ALL labels need to be used in the selector of the service in order for the service to select the pods

Question 3

How can you get information about multiple kinds of Kubernetes objects?

Answer 3

‘kubectl get pods,services’