Kubernetes LoadBalancer

Kubernetes LoadBalancer exposes the Service externally using a cloud provider's load balancer.

• https://kubernetes.io/docs/concepts/services-networking/

• kubectl create service loadbalancer

• kubectl expose deployment hello-world --type=LoadBalancer --name=my-service

Example

 apiVersion: v1
kind: Service
metadata:
  name: example-service
spec:
  selector:
    app: example
  ports:
    - port: 8765
      targetPort: 9376
  type: LoadBalancer

Activities

• Understand ClusterIP, NodePort, LoadBalancer service types and endpoints

Related

• ClusterIP
• NodePort
• ServiceTypes
• Ingress controller: kind: Ingress

See also

• Kubernetes networking: network policies, Network Policy Providers, CNI, Calico, flannel, Service mesh, Istio, kube-proxy, coredns, AWS VPC CNI: vpc-cni, Kubernetes: Ingress controllers, IPVS, ServiceTypes: LoadBalancer, ClusterIP, NodePort, ExternalName, Endpoints, EndpointSlices, Kubernetes DNS, svc.cluster.local, Weave Net
• Load Balancers, LoadBalancerSourceRanges, Kubernetes LoadBalancer, ALB, type: LoadBalancer, AWS Load Balancer controller

https://kubernetes.io/docs/tutorials/stateless-application/expose-external-ip-address/