My attempt to make one ELB balance multiple Kubernetes services.

balancer.service.yml

apiVersion: v1
kind: Service
metadata:
  name: balancer
  namespace: default
spec:
  type: ClusterIP
  clusterIP: 10.3.0.101
  selector:
    app: balancer
  ports:
    - name: https
      protocol: TCP
      port: 443
      targetPort: 443
    - name: http
      protocol: TCP
      port: 80
      targetPort: 80

elb.endpoints.yml

apiVersion: v1
kind: Endpoints
metadata:
  name: elb
subsets:
- addresses:
  - ip: 10.3.0.101
  ports:
  - port: 80
    name: http
  - port: 443
    name: https

- addresses:
  - ip: 10.3.0.100
  ports:
  - port: 25565
    name: minecraft

elb.service.yml

apiVersion: v1
kind: Service
metadata:
  name: elb
spec:
  type: LoadBalancer
  ports:
  - port: 80
    protocol: TCP
    name: http

  - port: 443
    protocol: TCP
    name: https

  - port: 25565
    protocol: TCP
    name: minecraft

minecraft.service.yml

apiVersion: v1
kind: Service
metadata:
  name: minecraft
  namespace: default
spec:
  type: ClusterIP
  clusterIP: 10.3.0.100
  selector:
    app: minecraft
  ports:
    - protocol: TCP
      port: 25565
      targetPort: 25565
      nodePort: 31100