Minikube expose MySQL running on localhost as service

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Kubernetes allows you to create a service without selector, and cluster will not create related endpoint for this service, this feature is usually used to proxy a legacy component or an outside component.

  1. Create a service without selector

    apiVersion: v1
kind: Service
metadata:
    name: my-service
spec:
    ports:
        - protocol: TCP
          port: 1443
          targetPort: <YOUR_MYSQL_PORT>

  2. Create a relative Endpoint object

    apiVersion: v1
kind: Endpoints
metadata:
    name: my-service
subsets:
    - addresses:
        - ip: <YOUR_MYSQL_ADDR>
      ports:
        - port: <YOUR_MYSQL_PORT>

  3. Get service IP

    $ kubectl get svc my-service
NAME         CLUSTER-IP     EXTERNAL-IP   PORT(S)   AGE
my-service   <SERVICE_IP>   <none>        1443/TCP    18m

  4. Access your MYSQL from service <SERVICE_IP>:1443 or my-service:1443

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