Steps to Reproduce for spring-cloud/spring-cloud-kubernetes#1757

1. Use k3d to create a Kubernetes cluster:

   k3d cluster create --config k3d.yaml

2. Deploy some test secrets to the Kubernetes cluster:

   kubectl create --filename k8s.yaml

3. Run the application:

   ./gradlew bootRun

4. Cleanup:

   k3d cluster delete --config k3d.yaml