k3s-cluster/minecraft-server/minecraft-server.yaml

---
apiVersion: v1
kind: Namespace
metadata:
  name: minecraft
---
apiVersion: v1
kind: Service
metadata:
  name: minecraft-server
  namespace: minecraft
  labels:
    app: minecraft-server
spec:
  type: LoadBalancer
  loadBalancerIP: 10.88.20.103
  ports:
    - name: minecraft
      port: 25565
      targetPort: 25565
      protocol: TCP
  selector:
    app: minecraft-server