What is a Service in Kubernetes?

beginner

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A Service is an abstraction that defines a logical set of Pods and provides a stable way to access them. Services solve the problem of Pod IP addresses changing when Pods are recreated.

Types of Services:

ClusterIP: Exposes service only within the cluster (default)
NodePort: Exposes service on each node's IP at a static port
LoadBalancer: Exposes service externally using a cloud provider's load balancer
ExternalName: Maps service to a DNS name

apiVersion: v1
kind: Service
metadata:
  name: my-service
spec:
  selector:
    app: my-app
  ports:
  - port: 80
    targetPort: 8080
  type: ClusterIP

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